208357360

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1637}}^1$

素因数の和:1730

約数の個数: 80

約数和(自身を含む): 509404896

約数和(自身を除く): 301047536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 215, 296, 344, 370, 430, 592, 688, 740, 860, 1480, 1591, 1637, 1720, 2960, 3182, 3274, 3440, 6364, 6548, 7955, 8185, 12728, 13096, 15910, 16370, 25456, 26192, 31820, 32740, 60569, 63640, 65480, 70391, 121138, 127280, 130960, 140782, 242276, 281564, 302845, 351955, 484552, 563128, 605690, 703910, 969104, 1126256, 1211380, 1407820, 2422760, 2604467, 2815640, 4845520, 5208934, 5631280, 10417868, 13022335, 20835736, 26044670, 41671472, 52089340, 104178680, 208357360]

約数ペア:

[(1, 208357360), (2, 104178680), (4, 52089340), (5, 41671472), (8, 26044670), (10, 20835736), (16, 13022335), (20, 10417868), (37, 5631280), (40, 5208934), (43, 4845520), (74, 2815640), (80, 2604467), (86, 2422760), (148, 1407820), (172, 1211380), (185, 1126256), (215, 969104), (296, 703910), (344, 605690), (370, 563128), (430, 484552), (592, 351955), (688, 302845), (740, 281564), (860, 242276), (1480, 140782), (1591, 130960), (1637, 127280), (1720, 121138), (2960, 70391), (3182, 65480), (3274, 63640), (3440, 60569), (6364, 32740), (6548, 31820), (7955, 26192), (8185, 25456), (12728, 16370), (13096, 15910)]