409631740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2925941}}^1$

素因数の和:2925957

約数の個数: 24

約数和(自身を含む): 983116512

約数和(自身を除く): 573484772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2925941, 5851882, 11703764, 14629705, 20481587, 29259410, 40963174, 58518820, 81926348, 102407935, 204815870, 409631740]

約数ペア:

[(1, 409631740), (2, 204815870), (4, 102407935), (5, 81926348), (7, 58518820), (10, 40963174), (14, 29259410), (20, 20481587), (28, 14629705), (35, 11703764), (70, 5851882), (140, 2925941)]