68808280660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491487719}}^1$

素因数の和:491487735

約数の個数: 24

約数和(自身を含む): 165139873920

約数和(自身を除く): 96331593260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491487719, 982975438, 1965950876, 2457438595, 3440414033, 4914877190, 6880828066, 9829754380, 13761656132, 17202070165, 34404140330, 68808280660]

約数ペア:

[(1, 68808280660), (2, 34404140330), (4, 17202070165), (5, 13761656132), (7, 9829754380), (10, 6880828066), (14, 4914877190), (20, 3440414033), (28, 2457438595), (35, 1965950876), (70, 982975438), (140, 491487719)]