1390130

素因数分解:

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

素因数の和:2858

約数の個数: 24

約数和(自身を含む): 2911788

約数和(自身を除く): 1521658

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 2837, 5674, 14185, 19859, 28370, 39718, 99295, 139013, 198590, 278026, 695065, 1390130]

約数ペア:

[(1, 1390130), (2, 695065), (5, 278026), (7, 198590), (10, 139013), (14, 99295), (35, 39718), (49, 28370), (70, 19859), (98, 14185), (245, 5674), (490, 2837)]