202108780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{72701}}^1$

素因数の和:72849

約数の個数: 24

約数和(自身を含む): 427487760

約数和(自身を除く): 225378980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 72701, 145402, 290804, 363505, 727010, 1454020, 10105439, 20210878, 40421756, 50527195, 101054390, 202108780]

約数ペア:

[(1, 202108780), (2, 101054390), (4, 50527195), (5, 40421756), (10, 20210878), (20, 10105439), (139, 1454020), (278, 727010), (556, 363505), (695, 290804), (1390, 145402), (2780, 72701)]