57256360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{204487}}^1$

素因数の和:204505

約数の個数: 32

約数和(自身を含む): 147231360

約数和(自身を除く): 89975000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 204487, 408974, 817948, 1022435, 1431409, 1635896, 2044870, 2862818, 4089740, 5725636, 7157045, 8179480, 11451272, 14314090, 28628180, 57256360]

約数ペア:

[(1, 57256360), (2, 28628180), (4, 14314090), (5, 11451272), (7, 8179480), (8, 7157045), (10, 5725636), (14, 4089740), (20, 2862818), (28, 2044870), (35, 1635896), (40, 1431409), (56, 1022435), (70, 817948), (140, 408974), (280, 204487)]