309943970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{4427771}}^1$

素因数の和:4427785

約数の個数: 16

約数和(自身を含む): 637599168

約数和(自身を除く): 327655198

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 4427771, 8855542, 22138855, 30994397, 44277710, 61988794, 154971985, 309943970]

約数ペア:

[(1, 309943970), (2, 154971985), (5, 61988794), (7, 44277710), (10, 30994397), (14, 22138855), (35, 8855542), (70, 4427771)]