209797070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2997101}}^1$

素因数の和:2997115

約数の個数: 16

約数和(自身を含む): 431582688

約数和(自身を除く): 221785618

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2997101, 5994202, 14985505, 20979707, 29971010, 41959414, 104898535, 209797070]

約数ペア:

[(1, 209797070), (2, 104898535), (5, 41959414), (7, 29971010), (10, 20979707), (14, 14985505), (35, 5994202), (70, 2997101)]