68905730

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{43889}}^1$

素因数の和:44053

約数の個数: 16

約数和(自身を含む): 124823160

約数和(自身を除く): 55917430

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 43889, 87778, 219445, 438890, 6890573, 13781146, 34452865, 68905730]

約数ペア:

[(1, 68905730), (2, 34452865), (5, 13781146), (10, 6890573), (157, 438890), (314, 219445), (785, 87778), (1570, 43889)]