399000000

素因数分解:

$2^6\times 3^1\times 5^6\times 7^1\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 392

約数和(自身を含む): 1587479680

約数和(自身を除く): 1188479680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 25, 28, 30, 32, 35, 38, 40, 42, 48, 50, 56, 57, 60, 64, 70, 75, 76, 80, 84, 95, 96, 100, 105, 112, 114, 120, 125, 133, 140, 150, 152, 160, 168, 175, 190, 192, 200, 210, 224, 228, 240, 250, 266, 280, 285, 300, 304, 320, 336, 350, 375, 380, 399, 400, 420, 448, 456, 475, 480, 500, 525, 532, 560, 570, 600, 608, 625, 665, 672, 700, 750, 760, 798, 800, 840, 875, 912, 950, 960, 1000, 1050, 1064, 1120, 1140, 1200, 1216, 1250, 1330, 1344, 1400, 1425, 1500, 1520, 1596, 1600, 1680, 1750, 1824, 1875, 1900, 1995, 2000, 2100, 2128, 2240, 2280, 2375, 2400, 2500, 2625, 2660, 2800, 2850, 3000, 3040, 3125, 3192, 3325, 3360, 3500, 3648, 3750, 3800, 3990, 4000, 4200, 4256, 4375, 4560, 4750, 4800, 5000, 5250, 5320, 5600, 5700, 6000, 6080, 6250, 6384, 6650, 6720, 7000, 7125, 7500, 7600, 7980, 8000, 8400, 8512, 8750, 9120, 9375, 9500, 9975, 10000, 10500, 10640, 11200, 11400, 11875, 12000, 12500, 12768, 13125, 13300, 14000, 14250, 15000, 15200, 15625, 15960, 16625, 16800, 17500, 18240, 18750, 19000, 19950, 20000, 21000, 21280, 21875, 22800, 23750, 24000, 25000, 25536, 26250, 26600, 28000, 28500, 30000, 30400, 31250, 31920, 33250, 33600, 35000, 35625, 37500, 38000, 39900, 40000, 42000, 42560, 43750, 45600, 46875, 47500, 49875, 50000, 52500, 53200, 56000, 57000, 59375, 60000, 62500, 63840, 65625, 66500, 70000, 71250, 75000, 76000, 79800, 83125, 84000, 87500, 91200, 93750, 95000, 99750, 100000, 105000, 106400, 109375, 114000, 118750, 120000, 125000, 127680, 131250, 133000, 140000, 142500, 150000, 152000, 159600, 166250, 168000, 175000, 178125, 187500, 190000, 199500, 200000, 210000, 212800, 218750, 228000, 237500, 249375, 250000, 262500, 266000, 280000, 285000, 296875, 300000, 319200, 328125, 332500, 350000, 356250, 375000, 380000, 399000, 415625, 420000, 437500, 456000, 475000, 498750, 500000, 525000, 532000, 570000, 593750, 600000, 638400, 656250, 665000, 700000, 712500, 750000, 760000, 798000, 831250, 840000, 875000, 890625, 950000, 997500, 1000000, 1050000, 1064000, 1140000, 1187500, 1246875, 1312500, 1330000, 1400000, 1425000, 1500000, 1596000, 1662500, 1750000, 1781250, 1900000, 1995000, 2078125, 2100000, 2280000, 2375000, 2493750, 2625000, 2660000, 2850000, 3000000, 3192000, 3325000, 3500000, 3562500, 3800000, 3990000, 4156250, 4200000, 4750000, 4987500, 5250000, 5320000, 5700000, 6234375, 6650000, 7000000, 7125000, 7980000, 8312500, 9500000, 9975000, 10500000, 11400000, 12468750, 13300000, 14250000, 15960000, 16625000, 19000000, 19950000, 21000000, 24937500, 26600000, 28500000, 33250000, 39900000, 49875000, 57000000, 66500000, 79800000, 99750000, 133000000, 199500000, 399000000]

約数ペア:

[(1, 399000000), (2, 199500000), (3, 133000000), (4, 99750000), (5, 79800000), (6, 66500000), (7, 57000000), (8, 49875000), (10, 39900000), (12, 33250000), (14, 28500000), (15, 26600000), (16, 24937500), (19, 21000000), (20, 19950000), (21, 19000000), (24, 16625000), (25, 15960000), (28, 14250000), (30, 13300000), (32, 12468750), (35, 11400000), (38, 10500000), (40, 9975000), (42, 9500000), (48, 8312500), (50, 7980000), (56, 7125000), (57, 7000000), (60, 6650000), (64, 6234375), (70, 5700000), (75, 5320000), (76, 5250000), (80, 4987500), (84, 4750000), (95, 4200000), (96, 4156250), (100, 3990000), (105, 3800000), (112, 3562500), (114, 3500000), (120, 3325000), (125, 3192000), (133, 3000000), (140, 2850000), (150, 2660000), (152, 2625000), (160, 2493750), (168, 2375000), (175, 2280000), (190, 2100000), (192, 2078125), (200, 1995000), (210, 1900000), (224, 1781250), (228, 1750000), (240, 1662500), (250, 1596000), (266, 1500000), (280, 1425000), (285, 1400000), (300, 1330000), (304, 1312500), (320, 1246875), (336, 1187500), (350, 1140000), (375, 1064000), (380, 1050000), (399, 1000000), (400, 997500), (420, 950000), (448, 890625), (456, 875000), (475, 840000), (480, 831250), (500, 798000), (525, 760000), (532, 750000), (560, 712500), (570, 700000), (600, 665000), (608, 656250), (625, 638400), (665, 600000), (672, 593750), (700, 570000), (750, 532000), (760, 525000), (798, 500000), (800, 498750), (840, 475000), (875, 456000), (912, 437500), (950, 420000), (960, 415625), (1000, 399000), (1050, 380000), (1064, 375000), (1120, 356250), (1140, 350000), (1200, 332500), (1216, 328125), (1250, 319200), (1330, 300000), (1344, 296875), (1400, 285000), (1425, 280000), (1500, 266000), (1520, 262500), (1596, 250000), (1600, 249375), (1680, 237500), (1750, 228000), (1824, 218750), (1875, 212800), (1900, 210000), (1995, 200000), (2000, 199500), (2100, 190000), (2128, 187500), (2240, 178125), (2280, 175000), (2375, 168000), (2400, 166250), (2500, 159600), (2625, 152000), (2660, 150000), (2800, 142500), (2850, 140000), (3000, 133000), (3040, 131250), (3125, 127680), (3192, 125000), (3325, 120000), (3360, 118750), (3500, 114000), (3648, 109375), (3750, 106400), (3800, 105000), (3990, 100000), (4000, 99750), (4200, 95000), (4256, 93750), (4375, 91200), (4560, 87500), (4750, 84000), (4800, 83125), (5000, 79800), (5250, 76000), (5320, 75000), (5600, 71250), (5700, 70000), (6000, 66500), (6080, 65625), (6250, 63840), (6384, 62500), (6650, 60000), (6720, 59375), (7000, 57000), (7125, 56000), (7500, 53200), (7600, 52500), (7980, 50000), (8000, 49875), (8400, 47500), (8512, 46875), (8750, 45600), (9120, 43750), (9375, 42560), (9500, 42000), (9975, 40000), (10000, 39900), (10500, 38000), (10640, 37500), (11200, 35625), (11400, 35000), (11875, 33600), (12000, 33250), (12500, 31920), (12768, 31250), (13125, 30400), (13300, 30000), (14000, 28500), (14250, 28000), (15000, 26600), (15200, 26250), (15625, 25536), (15960, 25000), (16625, 24000), (16800, 23750), (17500, 22800), (18240, 21875), (18750, 21280), (19000, 21000), (19950, 20000)]