401022740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{4649}}^1$

素因数の和:4904

約数の個数: 48

約数和(自身を含む): 890568000

約数和(自身を除く): 489545260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 227, 380, 454, 908, 1135, 2270, 4313, 4540, 4649, 8626, 9298, 17252, 18596, 21565, 23245, 43130, 46490, 86260, 88331, 92980, 176662, 353324, 441655, 883310, 1055323, 1766620, 2110646, 4221292, 5276615, 10553230, 20051137, 21106460, 40102274, 80204548, 100255685, 200511370, 401022740]

約数ペア:

[(1, 401022740), (2, 200511370), (4, 100255685), (5, 80204548), (10, 40102274), (19, 21106460), (20, 20051137), (38, 10553230), (76, 5276615), (95, 4221292), (190, 2110646), (227, 1766620), (380, 1055323), (454, 883310), (908, 441655), (1135, 353324), (2270, 176662), (4313, 92980), (4540, 88331), (4649, 86260), (8626, 46490), (9298, 43130), (17252, 23245), (18596, 21565)]