2158224740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{15415891}}^1$

素因数の和:15415907

約数の個数: 24

約数和(自身を含む): 5179739712

約数和(自身を除く): 3021514972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 15415891, 30831782, 61663564, 77079455, 107911237, 154158910, 215822474, 308317820, 431644948, 539556185, 1079112370, 2158224740]

約数ペア:

[(1, 2158224740), (2, 1079112370), (4, 539556185), (5, 431644948), (7, 308317820), (10, 215822474), (14, 154158910), (20, 107911237), (28, 77079455), (35, 61663564), (70, 30831782), (140, 15415891)]