130221980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{930157}}^1$

素因数の和:930173

約数の個数: 24

約数和(自身を含む): 312533088

約数和(自身を除く): 182311108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 930157, 1860314, 3720628, 4650785, 6511099, 9301570, 13022198, 18603140, 26044396, 32555495, 65110990, 130221980]

約数ペア:

[(1, 130221980), (2, 65110990), (4, 32555495), (5, 26044396), (7, 18603140), (10, 13022198), (14, 9301570), (20, 6511099), (28, 4650785), (35, 3720628), (70, 1860314), (140, 930157)]