615580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4397}}^1$

素因数の和:4413

約数の個数: 24

約数和(自身を含む): 1477728

約数和(自身を除く): 862148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4397, 8794, 17588, 21985, 30779, 43970, 61558, 87940, 123116, 153895, 307790, 615580]

約数ペア:

[(1, 615580), (2, 307790), (4, 153895), (5, 123116), (7, 87940), (10, 61558), (14, 43970), (20, 30779), (28, 21985), (35, 17588), (70, 8794), (140, 4397)]