130821740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{934441}}^1$

素因数の和:934457

約数の個数: 24

約数和(自身を含む): 313972512

約数和(自身を除く): 183150772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 934441, 1868882, 3737764, 4672205, 6541087, 9344410, 13082174, 18688820, 26164348, 32705435, 65410870, 130821740]

約数ペア:

[(1, 130821740), (2, 65410870), (4, 32705435), (5, 26164348), (7, 18688820), (10, 13082174), (14, 9344410), (20, 6541087), (28, 4672205), (35, 3737764), (70, 1868882), (140, 934441)]