68538140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311537}}^1$

素因数の和:311557

約数の個数: 24

約数和(自身を含む): 157015152

約数和(自身を除く): 88477012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 311537, 623074, 1246148, 1557685, 3115370, 3426907, 6230740, 6853814, 13707628, 17134535, 34269070, 68538140]

約数ペア:

[(1, 68538140), (2, 34269070), (4, 17134535), (5, 13707628), (10, 6853814), (11, 6230740), (20, 3426907), (22, 3115370), (44, 1557685), (55, 1246148), (110, 623074), (220, 311537)]