108902990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{2039}}^1$

素因数の和:2169

約数の個数: 48

約数和(自身を含む): 230234400

約数和(自身を除く): 121331410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 218, 245, 490, 545, 763, 1090, 1526, 2039, 3815, 4078, 5341, 7630, 10195, 10682, 14273, 20390, 26705, 28546, 53410, 71365, 99911, 142730, 199822, 222251, 444502, 499555, 999110, 1111255, 1555757, 2222510, 3111514, 7778785, 10890299, 15557570, 21780598, 54451495, 108902990]

約数ペア:

[(1, 108902990), (2, 54451495), (5, 21780598), (7, 15557570), (10, 10890299), (14, 7778785), (35, 3111514), (49, 2222510), (70, 1555757), (98, 1111255), (109, 999110), (218, 499555), (245, 444502), (490, 222251), (545, 199822), (763, 142730), (1090, 99911), (1526, 71365), (2039, 53410), (3815, 28546), (4078, 26705), (5341, 20390), (7630, 14273), (10195, 10682)]