39900000

素因数分解:

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

素因数の和:64

約数の個数: 288

約数和(自身を含む): 157489920

約数和(自身を除く): 117589920

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, 70, 75, 76, 80, 84, 95, 96, 100, 105, 112, 114, 120, 125, 133, 140, 150, 152, 160, 168, 175, 190, 200, 210, 224, 228, 240, 250, 266, 280, 285, 300, 304, 336, 350, 375, 380, 399, 400, 420, 456, 475, 480, 500, 525, 532, 560, 570, 600, 608, 625, 665, 672, 700, 750, 760, 798, 800, 840, 875, 912, 950, 1000, 1050, 1064, 1120, 1140, 1200, 1250, 1330, 1400, 1425, 1500, 1520, 1596, 1680, 1750, 1824, 1875, 1900, 1995, 2000, 2100, 2128, 2280, 2375, 2400, 2500, 2625, 2660, 2800, 2850, 3000, 3040, 3125, 3192, 3325, 3360, 3500, 3750, 3800, 3990, 4000, 4200, 4256, 4375, 4560, 4750, 5000, 5250, 5320, 5600, 5700, 6000, 6250, 6384, 6650, 7000, 7125, 7500, 7600, 7980, 8400, 8750, 9120, 9375, 9500, 9975, 10000, 10500, 10640, 11400, 11875, 12000, 12500, 12768, 13125, 13300, 14000, 14250, 15000, 15200, 15960, 16625, 16800, 17500, 18750, 19000, 19950, 20000, 21000, 21280, 21875, 22800, 23750, 25000, 26250, 26600, 28000, 28500, 30000, 31920, 33250, 35000, 35625, 37500, 38000, 39900, 42000, 43750, 45600, 47500, 49875, 50000, 52500, 53200, 57000, 59375, 60000, 63840, 65625, 66500, 70000, 71250, 75000, 76000, 79800, 83125, 84000, 87500, 95000, 99750, 100000, 105000, 106400, 114000, 118750, 131250, 133000, 140000, 142500, 150000, 159600, 166250, 175000, 178125, 190000, 199500, 210000, 228000, 237500, 249375, 262500, 266000, 285000, 300000, 319200, 332500, 350000, 356250, 380000, 399000, 415625, 420000, 475000, 498750, 525000, 532000, 570000, 665000, 700000, 712500, 798000, 831250, 950000, 997500, 1050000, 1140000, 1246875, 1330000, 1425000, 1596000, 1662500, 1900000, 1995000, 2100000, 2493750, 2660000, 2850000, 3325000, 3990000, 4987500, 5700000, 6650000, 7980000, 9975000, 13300000, 19950000, 39900000]

約数ペア:

[(1, 39900000), (2, 19950000), (3, 13300000), (4, 9975000), (5, 7980000), (6, 6650000), (7, 5700000), (8, 4987500), (10, 3990000), (12, 3325000), (14, 2850000), (15, 2660000), (16, 2493750), (19, 2100000), (20, 1995000), (21, 1900000), (24, 1662500), (25, 1596000), (28, 1425000), (30, 1330000), (32, 1246875), (35, 1140000), (38, 1050000), (40, 997500), (42, 950000), (48, 831250), (50, 798000), (56, 712500), (57, 700000), (60, 665000), (70, 570000), (75, 532000), (76, 525000), (80, 498750), (84, 475000), (95, 420000), (96, 415625), (100, 399000), (105, 380000), (112, 356250), (114, 350000), (120, 332500), (125, 319200), (133, 300000), (140, 285000), (150, 266000), (152, 262500), (160, 249375), (168, 237500), (175, 228000), (190, 210000), (200, 199500), (210, 190000), (224, 178125), (228, 175000), (240, 166250), (250, 159600), (266, 150000), (280, 142500), (285, 140000), (300, 133000), (304, 131250), (336, 118750), (350, 114000), (375, 106400), (380, 105000), (399, 100000), (400, 99750), (420, 95000), (456, 87500), (475, 84000), (480, 83125), (500, 79800), (525, 76000), (532, 75000), (560, 71250), (570, 70000), (600, 66500), (608, 65625), (625, 63840), (665, 60000), (672, 59375), (700, 57000), (750, 53200), (760, 52500), (798, 50000), (800, 49875), (840, 47500), (875, 45600), (912, 43750), (950, 42000), (1000, 39900), (1050, 38000), (1064, 37500), (1120, 35625), (1140, 35000), (1200, 33250), (1250, 31920), (1330, 30000), (1400, 28500), (1425, 28000), (1500, 26600), (1520, 26250), (1596, 25000), (1680, 23750), (1750, 22800), (1824, 21875), (1875, 21280), (1900, 21000), (1995, 20000), (2000, 19950), (2100, 19000), (2128, 18750), (2280, 17500), (2375, 16800), (2400, 16625), (2500, 15960), (2625, 15200), (2660, 15000), (2800, 14250), (2850, 14000), (3000, 13300), (3040, 13125), (3125, 12768), (3192, 12500), (3325, 12000), (3360, 11875), (3500, 11400), (3750, 10640), (3800, 10500), (3990, 10000), (4000, 9975), (4200, 9500), (4256, 9375), (4375, 9120), (4560, 8750), (4750, 8400), (5000, 7980), (5250, 7600), (5320, 7500), (5600, 7125), (5700, 7000), (6000, 6650), (6250, 6384)]