20149898090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41122241}}^1$

素因数の和:41122262

約数の個数: 24

約数和(自身を含む): 42191420292

約数和(自身を除く): 22041522202

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41122241, 82244482, 205611205, 287855687, 411222410, 575711374, 1439278435, 2014989809, 2878556870, 4029979618, 10074949045, 20149898090]

約数ペア:

[(1, 20149898090), (2, 10074949045), (5, 4029979618), (7, 2878556870), (10, 2014989809), (14, 1439278435), (35, 575711374), (49, 411222410), (70, 287855687), (98, 205611205), (245, 82244482), (490, 41122241)]