313601480

素因数分解:

$2^3\times 5^1\times {\mathrm{7840037}}^1$

素因数の和:7840048

約数の個数: 16

約数和(自身を含む): 705603420

約数和(自身を除く): 392001940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7840037, 15680074, 31360148, 39200185, 62720296, 78400370, 156800740, 313601480]

約数ペア:

[(1, 313601480), (2, 156800740), (4, 78400370), (5, 62720296), (8, 39200185), (10, 31360148), (20, 15680074), (40, 7840037)]