90486740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1049}}^1$

素因数の和:1304

約数の個数: 48

約数和(自身を含む): 201096000

約数和(自身を除く): 110609260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 227, 380, 454, 908, 1049, 1135, 2098, 2270, 4196, 4313, 4540, 5245, 8626, 10490, 17252, 19931, 20980, 21565, 39862, 43130, 79724, 86260, 99655, 199310, 238123, 398620, 476246, 952492, 1190615, 2381230, 4524337, 4762460, 9048674, 18097348, 22621685, 45243370, 90486740]

約数ペア:

[(1, 90486740), (2, 45243370), (4, 22621685), (5, 18097348), (10, 9048674), (19, 4762460), (20, 4524337), (38, 2381230), (76, 1190615), (95, 952492), (190, 476246), (227, 398620), (380, 238123), (454, 199310), (908, 99655), (1049, 86260), (1135, 79724), (2098, 43130), (2270, 39862), (4196, 21565), (4313, 20980), (4540, 19931), (5245, 17252), (8626, 10490)]