90187970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{881}}^1$

素因数の和:1270

約数の個数: 32

約数和(自身を含む): 168603120

約数和(自身を除く): 78415150

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 353, 706, 881, 1762, 1765, 3530, 4405, 8810, 10237, 20474, 25549, 51098, 51185, 102370, 127745, 255490, 310993, 621986, 1554965, 3109930, 9018797, 18037594, 45093985, 90187970]

約数ペア:

[(1, 90187970), (2, 45093985), (5, 18037594), (10, 9018797), (29, 3109930), (58, 1554965), (145, 621986), (290, 310993), (353, 255490), (706, 127745), (881, 102370), (1762, 51185), (1765, 51098), (3530, 25549), (4405, 20474), (8810, 10237)]