71531740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{510941}}^1$

素因数の和:510957

約数の個数: 24

約数和(自身を含む): 171676512

約数和(自身を除く): 100144772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 510941, 1021882, 2043764, 2554705, 3576587, 5109410, 7153174, 10218820, 14306348, 17882935, 35765870, 71531740]

約数ペア:

[(1, 71531740), (2, 35765870), (4, 17882935), (5, 14306348), (7, 10218820), (10, 7153174), (14, 5109410), (20, 3576587), (28, 2554705), (35, 2043764), (70, 1021882), (140, 510941)]