219946060

素因数分解:

$2^2\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{5557}}^1$

素因数の和:7545

約数の個数: 24

約数和(自身を含む): 462203280

約数和(自身を除く): 242257220

約数列:

[1, 2, 4, 5, 10, 20, 1979, 3958, 5557, 7916, 9895, 11114, 19790, 22228, 27785, 39580, 55570, 111140, 10997303, 21994606, 43989212, 54986515, 109973030, 219946060]

約数ペア:

[(1, 219946060), (2, 109973030), (4, 54986515), (5, 43989212), (10, 21994606), (20, 10997303), (1979, 111140), (3958, 55570), (5557, 39580), (7916, 27785), (9895, 22228), (11114, 19790)]