280375340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2002681}}^1$

素因数の和:2002697

約数の個数: 24

約数和(自身を含む): 672901152

約数和(自身を除く): 392525812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2002681, 4005362, 8010724, 10013405, 14018767, 20026810, 28037534, 40053620, 56075068, 70093835, 140187670, 280375340]

約数ペア:

[(1, 280375340), (2, 140187670), (4, 70093835), (5, 56075068), (7, 40053620), (10, 28037534), (14, 20026810), (20, 14018767), (28, 10013405), (35, 8010724), (70, 4005362), (140, 2002681)]