438900000

素因数分解:

$2^5\times 3^1\times 5^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:75

約数の個数: 576

約数和(自身を含む): 1889879040

約数和(自身を除く): 1450979040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 19, 20, 21, 22, 24, 25, 28, 30, 32, 33, 35, 38, 40, 42, 44, 48, 50, 55, 56, 57, 60, 66, 70, 75, 76, 77, 80, 84, 88, 95, 96, 100, 105, 110, 112, 114, 120, 125, 132, 133, 140, 150, 152, 154, 160, 165, 168, 175, 176, 190, 200, 209, 210, 220, 224, 228, 231, 240, 250, 264, 266, 275, 280, 285, 300, 304, 308, 330, 336, 350, 352, 375, 380, 385, 399, 400, 418, 420, 440, 456, 462, 475, 480, 500, 525, 528, 532, 550, 560, 570, 600, 608, 616, 625, 627, 660, 665, 672, 700, 750, 760, 770, 798, 800, 825, 836, 840, 875, 880, 912, 924, 950, 1000, 1045, 1050, 1056, 1064, 1100, 1120, 1140, 1155, 1200, 1232, 1250, 1254, 1320, 1330, 1375, 1400, 1425, 1463, 1500, 1520, 1540, 1596, 1650, 1672, 1680, 1750, 1760, 1824, 1848, 1875, 1900, 1925, 1995, 2000, 2090, 2100, 2128, 2200, 2280, 2310, 2375, 2400, 2464, 2500, 2508, 2625, 2640, 2660, 2750, 2800, 2850, 2926, 3000, 3040, 3080, 3125, 3135, 3192, 3300, 3325, 3344, 3360, 3500, 3696, 3750, 3800, 3850, 3990, 4000, 4125, 4180, 4200, 4256, 4375, 4389, 4400, 4560, 4620, 4750, 5000, 5016, 5225, 5250, 5280, 5320, 5500, 5600, 5700, 5775, 5852, 6000, 6160, 6250, 6270, 6384, 6600, 6650, 6688, 6875, 7000, 7125, 7315, 7392, 7500, 7600, 7700, 7980, 8250, 8360, 8400, 8750, 8778, 8800, 9120, 9240, 9375, 9500, 9625, 9975, 10000, 10032, 10450, 10500, 10640, 11000, 11400, 11550, 11704, 11875, 12000, 12320, 12500, 12540, 12768, 13125, 13200, 13300, 13750, 14000, 14250, 14630, 15000, 15200, 15400, 15675, 15960, 16500, 16625, 16720, 16800, 17500, 17556, 18480, 18750, 19000, 19250, 19950, 20000, 20064, 20625, 20900, 21000, 21280, 21875, 21945, 22000, 22800, 23100, 23408, 23750, 25000, 25080, 26125, 26250, 26400, 26600, 27500, 28000, 28500, 28875, 29260, 30000, 30800, 31350, 31920, 33000, 33250, 33440, 34375, 35000, 35112, 35625, 36575, 36960, 37500, 38000, 38500, 39900, 41250, 41800, 42000, 43750, 43890, 44000, 45600, 46200, 46816, 47500, 48125, 49875, 50000, 50160, 52250, 52500, 53200, 55000, 57000, 57750, 58520, 59375, 60000, 61600, 62700, 63840, 65625, 66000, 66500, 68750, 70000, 70224, 71250, 73150, 75000, 76000, 77000, 78375, 79800, 82500, 83125, 83600, 84000, 87500, 87780, 92400, 95000, 96250, 99750, 100000, 100320, 103125, 104500, 105000, 106400, 109725, 110000, 114000, 115500, 117040, 118750, 125400, 130625, 131250, 132000, 133000, 137500, 140000, 140448, 142500, 144375, 146300, 150000, 154000, 156750, 159600, 165000, 166250, 167200, 175000, 175560, 178125, 182875, 184800, 190000, 192500, 199500, 206250, 209000, 210000, 219450, 220000, 228000, 231000, 234080, 237500, 240625, 249375, 250800, 261250, 262500, 266000, 275000, 285000, 288750, 292600, 300000, 308000, 313500, 319200, 330000, 332500, 350000, 351120, 356250, 365750, 380000, 385000, 391875, 399000, 412500, 415625, 418000, 420000, 438900, 462000, 475000, 481250, 498750, 501600, 522500, 525000, 532000, 548625, 550000, 570000, 577500, 585200, 627000, 653125, 660000, 665000, 700000, 702240, 712500, 721875, 731500, 770000, 783750, 798000, 825000, 831250, 836000, 877800, 914375, 924000, 950000, 962500, 997500, 1045000, 1050000, 1097250, 1100000, 1140000, 1155000, 1170400, 1246875, 1254000, 1306250, 1330000, 1425000, 1443750, 1463000, 1540000, 1567500, 1596000, 1650000, 1662500, 1755600, 1828750, 1900000, 1925000, 1959375, 1995000, 2090000, 2100000, 2194500, 2310000, 2493750, 2508000, 2612500, 2660000, 2743125, 2850000, 2887500, 2926000, 3135000, 3300000, 3325000, 3511200, 3657500, 3850000, 3918750, 3990000, 4180000, 4389000, 4571875, 4620000, 4987500, 5225000, 5486250, 5700000, 5775000, 5852000, 6270000, 6650000, 7315000, 7700000, 7837500, 7980000, 8778000, 9143750, 9975000, 10450000, 10972500, 11550000, 12540000, 13300000, 13715625, 14630000, 15675000, 17556000, 18287500, 19950000, 20900000, 21945000, 23100000, 27431250, 29260000, 31350000, 36575000, 39900000, 43890000, 54862500, 62700000, 73150000, 87780000, 109725000, 146300000, 219450000, 438900000]

約数ペア:

[(1, 438900000), (2, 219450000), (3, 146300000), (4, 109725000), (5, 87780000), (6, 73150000), (7, 62700000), (8, 54862500), (10, 43890000), (11, 39900000), (12, 36575000), (14, 31350000), (15, 29260000), (16, 27431250), (19, 23100000), (20, 21945000), (21, 20900000), (22, 19950000), (24, 18287500), (25, 17556000), (28, 15675000), (30, 14630000), (32, 13715625), (33, 13300000), (35, 12540000), (38, 11550000), (40, 10972500), (42, 10450000), (44, 9975000), (48, 9143750), (50, 8778000), (55, 7980000), (56, 7837500), (57, 7700000), (60, 7315000), (66, 6650000), (70, 6270000), (75, 5852000), (76, 5775000), (77, 5700000), (80, 5486250), (84, 5225000), (88, 4987500), (95, 4620000), (96, 4571875), (100, 4389000), (105, 4180000), (110, 3990000), (112, 3918750), (114, 3850000), (120, 3657500), (125, 3511200), (132, 3325000), (133, 3300000), (140, 3135000), (150, 2926000), (152, 2887500), (154, 2850000), (160, 2743125), (165, 2660000), (168, 2612500), (175, 2508000), (176, 2493750), (190, 2310000), (200, 2194500), (209, 2100000), (210, 2090000), (220, 1995000), (224, 1959375), (228, 1925000), (231, 1900000), (240, 1828750), (250, 1755600), (264, 1662500), (266, 1650000), (275, 1596000), (280, 1567500), (285, 1540000), (300, 1463000), (304, 1443750), (308, 1425000), (330, 1330000), (336, 1306250), (350, 1254000), (352, 1246875), (375, 1170400), (380, 1155000), (385, 1140000), (399, 1100000), (400, 1097250), (418, 1050000), (420, 1045000), (440, 997500), (456, 962500), (462, 950000), (475, 924000), (480, 914375), (500, 877800), (525, 836000), (528, 831250), (532, 825000), (550, 798000), (560, 783750), (570, 770000), (600, 731500), (608, 721875), (616, 712500), (625, 702240), (627, 700000), (660, 665000), (665, 660000), (672, 653125), (700, 627000), (750, 585200), (760, 577500), (770, 570000), (798, 550000), (800, 548625), (825, 532000), (836, 525000), (840, 522500), (875, 501600), (880, 498750), (912, 481250), (924, 475000), (950, 462000), (1000, 438900), (1045, 420000), (1050, 418000), (1056, 415625), (1064, 412500), (1100, 399000), (1120, 391875), (1140, 385000), (1155, 380000), (1200, 365750), (1232, 356250), (1250, 351120), (1254, 350000), (1320, 332500), (1330, 330000), (1375, 319200), (1400, 313500), (1425, 308000), (1463, 300000), (1500, 292600), (1520, 288750), (1540, 285000), (1596, 275000), (1650, 266000), (1672, 262500), (1680, 261250), (1750, 250800), (1760, 249375), (1824, 240625), (1848, 237500), (1875, 234080), (1900, 231000), (1925, 228000), (1995, 220000), (2000, 219450), (2090, 210000), (2100, 209000), (2128, 206250), (2200, 199500), (2280, 192500), (2310, 190000), (2375, 184800), (2400, 182875), (2464, 178125), (2500, 175560), (2508, 175000), (2625, 167200), (2640, 166250), (2660, 165000), (2750, 159600), (2800, 156750), (2850, 154000), (2926, 150000), (3000, 146300), (3040, 144375), (3080, 142500), (3125, 140448), (3135, 140000), (3192, 137500), (3300, 133000), (3325, 132000), (3344, 131250), (3360, 130625), (3500, 125400), (3696, 118750), (3750, 117040), (3800, 115500), (3850, 114000), (3990, 110000), (4000, 109725), (4125, 106400), (4180, 105000), (4200, 104500), (4256, 103125), (4375, 100320), (4389, 100000), (4400, 99750), (4560, 96250), (4620, 95000), (4750, 92400), (5000, 87780), (5016, 87500), (5225, 84000), (5250, 83600), (5280, 83125), (5320, 82500), (5500, 79800), (5600, 78375), (5700, 77000), (5775, 76000), (5852, 75000), (6000, 73150), (6160, 71250), (6250, 70224), (6270, 70000), (6384, 68750), (6600, 66500), (6650, 66000), (6688, 65625), (6875, 63840), (7000, 62700), (7125, 61600), (7315, 60000), (7392, 59375), (7500, 58520), (7600, 57750), (7700, 57000), (7980, 55000), (8250, 53200), (8360, 52500), (8400, 52250), (8750, 50160), (8778, 50000), (8800, 49875), (9120, 48125), (9240, 47500), (9375, 46816), (9500, 46200), (9625, 45600), (9975, 44000), (10000, 43890), (10032, 43750), (10450, 42000), (10500, 41800), (10640, 41250), (11000, 39900), (11400, 38500), (11550, 38000), (11704, 37500), (11875, 36960), (12000, 36575), (12320, 35625), (12500, 35112), (12540, 35000), (12768, 34375), (13125, 33440), (13200, 33250), (13300, 33000), (13750, 31920), (14000, 31350), (14250, 30800), (14630, 30000), (15000, 29260), (15200, 28875), (15400, 28500), (15675, 28000), (15960, 27500), (16500, 26600), (16625, 26400), (16720, 26250), (16800, 26125), (17500, 25080), (17556, 25000), (18480, 23750), (18750, 23408), (19000, 23100), (19250, 22800), (19950, 22000), (20000, 21945), (20064, 21875), (20625, 21280), (20900, 21000)]