85881740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{613441}}^1$

素因数の和:613457

約数の個数: 24

約数和(自身を含む): 206116512

約数和(自身を除く): 120234772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 613441, 1226882, 2453764, 3067205, 4294087, 6134410, 8588174, 12268820, 17176348, 21470435, 42940870, 85881740]

約数ペア:

[(1, 85881740), (2, 42940870), (4, 21470435), (5, 17176348), (7, 12268820), (10, 8588174), (14, 6134410), (20, 4294087), (28, 3067205), (35, 2453764), (70, 1226882), (140, 613441)]