2780260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2837}}^1$

素因数の和:2860

約数の個数: 36

約数和(自身を含む): 6794172

約数和(自身を除く): 4013912

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2837, 5674, 11348, 14185, 19859, 28370, 39718, 56740, 79436, 99295, 139013, 198590, 278026, 397180, 556052, 695065, 1390130, 2780260]

約数ペア:

[(1, 2780260), (2, 1390130), (4, 695065), (5, 556052), (7, 397180), (10, 278026), (14, 198590), (20, 139013), (28, 99295), (35, 79436), (49, 56740), (70, 39718), (98, 28370), (140, 19859), (196, 14185), (245, 11348), (490, 5674), (980, 2837)]