313601140

素因数分解:

$2^2\times 5^1\times {\mathrm{15680057}}^1$

素因数の和:15680066

約数の個数: 12

約数和(自身を含む): 658562436

約数和(自身を除く): 344961296

約数列:

[1, 2, 4, 5, 10, 20, 15680057, 31360114, 62720228, 78400285, 156800570, 313601140]

約数ペア:

[(1, 313601140), (2, 156800570), (4, 78400285), (5, 62720228), (10, 31360114), (20, 15680057)]