3998140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4649}}^1$

素因数の和:4701

約数の個数: 24

約数和(自身を含む): 8593200

約数和(自身を除く): 4595060

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 4649, 9298, 18596, 23245, 46490, 92980, 199907, 399814, 799628, 999535, 1999070, 3998140]

約数ペア:

[(1, 3998140), (2, 1999070), (4, 999535), (5, 799628), (10, 399814), (20, 199907), (43, 92980), (86, 46490), (172, 23245), (215, 18596), (430, 9298), (860, 4649)]