3781420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4397}}^1$

素因数の和:4449

約数の個数: 24

約数和(自身を含む): 8127504

約数和(自身を除く): 4346084

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 4397, 8794, 17588, 21985, 43970, 87940, 189071, 378142, 756284, 945355, 1890710, 3781420]

約数ペア:

[(1, 3781420), (2, 1890710), (4, 945355), (5, 756284), (10, 378142), (20, 189071), (43, 87940), (86, 43970), (172, 21985), (215, 17588), (430, 8794), (860, 4397)]