68493740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{489241}}^1$

素因数の和:489257

約数の個数: 24

約数和(自身を含む): 164385312

約数和(自身を除く): 95891572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 489241, 978482, 1956964, 2446205, 3424687, 4892410, 6849374, 9784820, 13698748, 17123435, 34246870, 68493740]

約数ペア:

[(1, 68493740), (2, 34246870), (4, 17123435), (5, 13698748), (7, 9784820), (10, 6849374), (14, 4892410), (20, 3424687), (28, 2446205), (35, 1956964), (70, 978482), (140, 489241)]