209314910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2990213}}^1$

素因数の和:2990227

約数の個数: 16

約数和(自身を含む): 430590816

約数和(自身を除く): 221275906

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2990213, 5980426, 14951065, 20931491, 29902130, 41862982, 104657455, 209314910]

約数ペア:

[(1, 209314910), (2, 104657455), (5, 41862982), (7, 29902130), (10, 20931491), (14, 14951065), (35, 5980426), (70, 2990213)]