319032020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{201919}}^1$

素因数の和:202007

約数の個数: 24

約数和(自身を含む): 678451200

約数和(自身を除く): 359419180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 201919, 403838, 807676, 1009595, 2019190, 4038380, 15951601, 31903202, 63806404, 79758005, 159516010, 319032020]

約数ペア:

[(1, 319032020), (2, 159516010), (4, 79758005), (5, 63806404), (10, 31903202), (20, 15951601), (79, 4038380), (158, 2019190), (316, 1009595), (395, 807676), (790, 403838), (1580, 201919)]