31308910

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 57620160

約数和(自身を除く): 26311250

約数列:

[1, 2, 5, 10, 103, 113, 206, 226, 269, 515, 538, 565, 1030, 1130, 1345, 2690, 11639, 23278, 27707, 30397, 55414, 58195, 60794, 116390, 138535, 151985, 277070, 303970, 3130891, 6261782, 15654455, 31308910]

約数ペア:

[(1, 31308910), (2, 15654455), (5, 6261782), (10, 3130891), (103, 303970), (113, 277070), (206, 151985), (226, 138535), (269, 116390), (515, 60794), (538, 58195), (565, 55414), (1030, 30397), (1130, 27707), (1345, 23278), (2690, 11639)]