68911460

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{15451}}^1$

素因数の和:15683

約数の個数: 24

約数和(自身を含む): 145372416

約数和(自身を除く): 76460956

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 15451, 30902, 61804, 77255, 154510, 309020, 3445573, 6891146, 13782292, 17227865, 34455730, 68911460]

約数ペア:

[(1, 68911460), (2, 34455730), (4, 17227865), (5, 13782292), (10, 6891146), (20, 3445573), (223, 309020), (446, 154510), (892, 77255), (1115, 61804), (2230, 30902), (4460, 15451)]