90645700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:853

約数の個数: 72

約数和(自身を含む): 211486464

約数和(自身を除く): 120840764

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 71, 85, 100, 142, 170, 284, 340, 355, 425, 710, 751, 850, 1207, 1420, 1502, 1700, 1775, 2414, 3004, 3550, 3755, 4828, 6035, 7100, 7510, 12070, 12767, 15020, 18775, 24140, 25534, 30175, 37550, 51068, 53321, 60350, 63835, 75100, 106642, 120700, 127670, 213284, 255340, 266605, 319175, 533210, 638350, 906457, 1066420, 1276700, 1333025, 1812914, 2666050, 3625828, 4532285, 5332100, 9064570, 18129140, 22661425, 45322850, 90645700]

約数ペア:

[(1, 90645700), (2, 45322850), (4, 22661425), (5, 18129140), (10, 9064570), (17, 5332100), (20, 4532285), (25, 3625828), (34, 2666050), (50, 1812914), (68, 1333025), (71, 1276700), (85, 1066420), (100, 906457), (142, 638350), (170, 533210), (284, 319175), (340, 266605), (355, 255340), (425, 213284), (710, 127670), (751, 120700), (850, 106642), (1207, 75100), (1420, 63835), (1502, 60350), (1700, 53321), (1775, 51068), (2414, 37550), (3004, 30175), (3550, 25534), (3755, 24140), (4828, 18775), (6035, 15020), (7100, 12767), (7510, 12070)]