487259620

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{281}}^1\times {\mathrm{313}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 1033886448

約数和(自身を除く): 546626828

約数列:

[1, 2, 4, 5, 10, 20, 277, 281, 313, 554, 562, 626, 1108, 1124, 1252, 1385, 1405, 1565, 2770, 2810, 3130, 5540, 5620, 6260, 77837, 86701, 87953, 155674, 173402, 175906, 311348, 346804, 351812, 389185, 433505, 439765, 778370, 867010, 879530, 1556740, 1734020, 1759060, 24362981, 48725962, 97451924, 121814905, 243629810, 487259620]

約数ペア:

[(1, 487259620), (2, 243629810), (4, 121814905), (5, 97451924), (10, 48725962), (20, 24362981), (277, 1759060), (281, 1734020), (313, 1556740), (554, 879530), (562, 867010), (626, 778370), (1108, 439765), (1124, 433505), (1252, 389185), (1385, 351812), (1405, 346804), (1565, 311348), (2770, 175906), (2810, 173402), (3130, 155674), (5540, 87953), (5620, 86701), (6260, 77837)]