31090370

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 57198960

約数和(自身を除く): 26108590

約数列:

[1, 2, 5, 10, 89, 178, 181, 193, 362, 386, 445, 890, 905, 965, 1810, 1930, 16109, 17177, 32218, 34354, 34933, 69866, 80545, 85885, 161090, 171770, 174665, 349330, 3109037, 6218074, 15545185, 31090370]

約数ペア:

[(1, 31090370), (2, 15545185), (5, 6218074), (10, 3109037), (89, 349330), (178, 174665), (181, 171770), (193, 161090), (362, 85885), (386, 80545), (445, 69866), (890, 34933), (905, 34354), (965, 32218), (1810, 17177), (1930, 16109)]