203037940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1450271}}^1$

素因数の和:1450287

約数の個数: 24

約数和(自身を含む): 487291392

約数和(自身を除く): 284253452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1450271, 2900542, 5801084, 7251355, 10151897, 14502710, 20303794, 29005420, 40607588, 50759485, 101518970, 203037940]

約数ペア:

[(1, 203037940), (2, 101518970), (4, 50759485), (5, 40607588), (7, 29005420), (10, 20303794), (14, 14502710), (20, 10151897), (28, 7251355), (35, 5801084), (70, 2900542), (140, 1450271)]