208052180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1486087}}^1$

素因数の和:1486103

約数の個数: 24

約数和(自身を含む): 499325568

約数和(自身を除く): 291273388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1486087, 2972174, 5944348, 7430435, 10402609, 14860870, 20805218, 29721740, 41610436, 52013045, 104026090, 208052180]

約数ペア:

[(1, 208052180), (2, 104026090), (4, 52013045), (5, 41610436), (7, 29721740), (10, 20805218), (14, 14860870), (20, 10402609), (28, 7430435), (35, 5944348), (70, 2972174), (140, 1486087)]