397126640

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{84137}}^1$

素因数の和:84209

約数の個数: 40

約数和(自身を含む): 938980080

約数和(自身を除く): 541853440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 84137, 168274, 336548, 420685, 673096, 841370, 1346192, 1682740, 3365480, 4964083, 6730960, 9928166, 19856332, 24820415, 39712664, 49640830, 79425328, 99281660, 198563320, 397126640]

約数ペア:

[(1, 397126640), (2, 198563320), (4, 99281660), (5, 79425328), (8, 49640830), (10, 39712664), (16, 24820415), (20, 19856332), (40, 9928166), (59, 6730960), (80, 4964083), (118, 3365480), (236, 1682740), (295, 1346192), (472, 841370), (590, 673096), (944, 420685), (1180, 336548), (2360, 168274), (4720, 84137)]