149206780

素因数分解:

$2^2\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{3359}}^1$

素因数の和:5589

約数の個数: 24

約数和(自身を含む): 313568640

約数和(自身を除く): 164361860

約数列:

[1, 2, 4, 5, 10, 20, 2221, 3359, 4442, 6718, 8884, 11105, 13436, 16795, 22210, 33590, 44420, 67180, 7460339, 14920678, 29841356, 37301695, 74603390, 149206780]

約数ペア:

[(1, 149206780), (2, 74603390), (4, 37301695), (5, 29841356), (10, 14920678), (20, 7460339), (2221, 67180), (3359, 44420), (4442, 33590), (6718, 22210), (8884, 16795), (11105, 13436)]