2778200

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 6696000

約数和(自身を除く): 3917800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 479, 580, 725, 958, 1160, 1450, 1916, 2395, 2900, 3832, 4790, 5800, 9580, 11975, 13891, 19160, 23950, 27782, 47900, 55564, 69455, 95800, 111128, 138910, 277820, 347275, 555640, 694550, 1389100, 2778200]

約数ペア:

[(1, 2778200), (2, 1389100), (4, 694550), (5, 555640), (8, 347275), (10, 277820), (20, 138910), (25, 111128), (29, 95800), (40, 69455), (50, 55564), (58, 47900), (100, 27782), (116, 23950), (145, 19160), (200, 13891), (232, 11975), (290, 9580), (479, 5800), (580, 4790), (725, 3832), (958, 2900), (1160, 2395), (1450, 1916)]