319695620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{202339}}^1$

素因数の和:202427

約数の個数: 24

約数和(自身を含む): 679862400

約数和(自身を除く): 360166780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 202339, 404678, 809356, 1011695, 2023390, 4046780, 15984781, 31969562, 63939124, 79923905, 159847810, 319695620]

約数ペア:

[(1, 319695620), (2, 159847810), (4, 79923905), (5, 63939124), (10, 31969562), (20, 15984781), (79, 4046780), (158, 2023390), (316, 1011695), (395, 809356), (790, 404678), (1580, 202339)]