68828540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{312857}}^1$

素因数の和:312877

約数の個数: 24

約数和(自身を含む): 157680432

約数和(自身を除く): 88851892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 312857, 625714, 1251428, 1564285, 3128570, 3441427, 6257140, 6882854, 13765708, 17207135, 34414270, 68828540]

約数ペア:

[(1, 68828540), (2, 34414270), (4, 17207135), (5, 13765708), (10, 6882854), (11, 6257140), (20, 3441427), (22, 3128570), (44, 1564285), (55, 1251428), (110, 625714), (220, 312857)]