86686180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{619187}}^1$

素因数の和:619203

約数の個数: 24

約数和(自身を含む): 208047168

約数和(自身を除く): 121360988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 619187, 1238374, 2476748, 3095935, 4334309, 6191870, 8668618, 12383740, 17337236, 21671545, 43343090, 86686180]

約数ペア:

[(1, 86686180), (2, 43343090), (4, 21671545), (5, 17337236), (7, 12383740), (10, 8668618), (14, 6191870), (20, 4334309), (28, 3095935), (35, 2476748), (70, 1238374), (140, 619187)]