820121260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{5858009}}^1$

素因数の和:5858025

約数の個数: 24

約数和(自身を含む): 1968291360

約数和(自身を除く): 1148170100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 5858009, 11716018, 23432036, 29290045, 41006063, 58580090, 82012126, 117160180, 164024252, 205030315, 410060630, 820121260]

約数ペア:

[(1, 820121260), (2, 410060630), (4, 205030315), (5, 164024252), (7, 117160180), (10, 82012126), (14, 58580090), (20, 41006063), (28, 29290045), (35, 23432036), (70, 11716018), (140, 5858009)]