3822220

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{857}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 8072064

約数和(自身を除く): 4249844

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 857, 892, 1115, 1714, 2230, 3428, 4285, 4460, 8570, 17140, 191111, 382222, 764444, 955555, 1911110, 3822220]

約数ペア:

[(1, 3822220), (2, 1911110), (4, 955555), (5, 764444), (10, 382222), (20, 191111), (223, 17140), (446, 8570), (857, 4460), (892, 4285), (1115, 3428), (1714, 2230)]