2017228220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{139891}}^1$

素因数の和:140010

約数の個数: 48

約数和(自身を含む): 4888386048

約数和(自身を除く): 2871157828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 14420, 139891, 279782, 559564, 699455, 979237, 1398910, 1958474, 2797820, 3916948, 4896185, 9792370, 14408773, 19584740, 28817546, 57635092, 72043865, 100861411, 144087730, 201722822, 288175460, 403445644, 504307055, 1008614110, 2017228220]

約数ペア:

[(1, 2017228220), (2, 1008614110), (4, 504307055), (5, 403445644), (7, 288175460), (10, 201722822), (14, 144087730), (20, 100861411), (28, 72043865), (35, 57635092), (70, 28817546), (103, 19584740), (140, 14408773), (206, 9792370), (412, 4896185), (515, 3916948), (721, 2797820), (1030, 1958474), (1442, 1398910), (2060, 979237), (2884, 699455), (3605, 559564), (7210, 279782), (14420, 139891)]