31393660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 68947200

約数和(自身を除く): 37553540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 113, 116, 145, 226, 290, 452, 479, 565, 580, 958, 1130, 1916, 2260, 2395, 3277, 4790, 6554, 9580, 13108, 13891, 16385, 27782, 32770, 54127, 55564, 65540, 69455, 108254, 138910, 216508, 270635, 277820, 541270, 1082540, 1569683, 3139366, 6278732, 7848415, 15696830, 31393660]

約数ペア:

[(1, 31393660), (2, 15696830), (4, 7848415), (5, 6278732), (10, 3139366), (20, 1569683), (29, 1082540), (58, 541270), (113, 277820), (116, 270635), (145, 216508), (226, 138910), (290, 108254), (452, 69455), (479, 65540), (565, 55564), (580, 54127), (958, 32770), (1130, 27782), (1916, 16385), (2260, 13891), (2395, 13108), (3277, 9580), (4790, 6554)]