381617180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2725837}}^1$

素因数の和:2725853

約数の個数: 24

約数和(自身を含む): 915881568

約数和(自身を除く): 534264388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2725837, 5451674, 10903348, 13629185, 19080859, 27258370, 38161718, 54516740, 76323436, 95404295, 190808590, 381617180]

約数ペア:

[(1, 381617180), (2, 190808590), (4, 95404295), (5, 76323436), (7, 54516740), (10, 38161718), (14, 27258370), (20, 19080859), (28, 13629185), (35, 10903348), (70, 5451674), (140, 2725837)]