2857780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3323}}^1$

素因数の和:3375

約数の個数: 24

約数和(自身を含む): 6142752

約数和(自身を除く): 3284972

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 3323, 6646, 13292, 16615, 33230, 66460, 142889, 285778, 571556, 714445, 1428890, 2857780]

約数ペア:

[(1, 2857780), (2, 1428890), (4, 714445), (5, 571556), (10, 285778), (20, 142889), (43, 66460), (86, 33230), (172, 16615), (215, 13292), (430, 6646), (860, 3323)]