56712980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{353}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 123999120

約数和(自身を除く): 67286140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 277, 290, 353, 554, 580, 706, 1108, 1385, 1412, 1765, 2770, 3530, 5540, 7060, 8033, 10237, 16066, 20474, 32132, 40165, 40948, 51185, 80330, 97781, 102370, 160660, 195562, 204740, 391124, 488905, 977810, 1955620, 2835649, 5671298, 11342596, 14178245, 28356490, 56712980]

約数ペア:

[(1, 56712980), (2, 28356490), (4, 14178245), (5, 11342596), (10, 5671298), (20, 2835649), (29, 1955620), (58, 977810), (116, 488905), (145, 391124), (277, 204740), (290, 195562), (353, 160660), (554, 102370), (580, 97781), (706, 80330), (1108, 51185), (1385, 40948), (1412, 40165), (1765, 32132), (2770, 20474), (3530, 16066), (5540, 10237), (7060, 8033)]