313601660

素因数分解:

$2^2\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{12821}}^1$

素因数の和:14053

約数の個数: 24

約数和(自身を含む): 659153376

約数和(自身を除く): 345551716

約数列:

[1, 2, 4, 5, 10, 20, 1223, 2446, 4892, 6115, 12230, 12821, 24460, 25642, 51284, 64105, 128210, 256420, 15680083, 31360166, 62720332, 78400415, 156800830, 313601660]

約数ペア:

[(1, 313601660), (2, 156800830), (4, 78400415), (5, 62720332), (10, 31360166), (20, 15680083), (1223, 256420), (2446, 128210), (4892, 64105), (6115, 51284), (12230, 25642), (12821, 24460)]