279267920

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{27487}}^1$

素因数の和:27627

約数の個数: 40

約数和(自身を含む): 654434304

約数和(自身を除く): 375166384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 27487, 54974, 109948, 137435, 219896, 274870, 439792, 549740, 1099480, 2198960, 3490849, 6981698, 13963396, 17454245, 27926792, 34908490, 55853584, 69816980, 139633960, 279267920]

約数ペア:

[(1, 279267920), (2, 139633960), (4, 69816980), (5, 55853584), (8, 34908490), (10, 27926792), (16, 17454245), (20, 13963396), (40, 6981698), (80, 3490849), (127, 2198960), (254, 1099480), (508, 549740), (635, 439792), (1016, 274870), (1270, 219896), (2032, 137435), (2540, 109948), (5080, 54974), (10160, 27487)]