70181980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2141}}^1$

素因数の和:2310

約数の個数: 48

約数和(自身を含む): 161935200

約数和(自身を除く): 91753220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1639, 2141, 2980, 3278, 4282, 6556, 8195, 8564, 10705, 16390, 21410, 23551, 32780, 42820, 47102, 94204, 117755, 235510, 319009, 471020, 638018, 1276036, 1595045, 3190090, 3509099, 6380180, 7018198, 14036396, 17545495, 35090990, 70181980]

約数ペア:

[(1, 70181980), (2, 35090990), (4, 17545495), (5, 14036396), (10, 7018198), (11, 6380180), (20, 3509099), (22, 3190090), (44, 1595045), (55, 1276036), (110, 638018), (149, 471020), (220, 319009), (298, 235510), (596, 117755), (745, 94204), (1490, 47102), (1639, 42820), (2141, 32780), (2980, 23551), (3278, 21410), (4282, 16390), (6556, 10705), (8195, 8564)]