142495640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{508913}}^1$

素因数の和:508931

約数の個数: 32

約数和(自身を含む): 366418080

約数和(自身を除く): 223922440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 508913, 1017826, 2035652, 2544565, 3562391, 4071304, 5089130, 7124782, 10178260, 14249564, 17811955, 20356520, 28499128, 35623910, 71247820, 142495640]

約数ペア:

[(1, 142495640), (2, 71247820), (4, 35623910), (5, 28499128), (7, 20356520), (8, 17811955), (10, 14249564), (14, 10178260), (20, 7124782), (28, 5089130), (35, 4071304), (40, 3562391), (56, 2544565), (70, 2035652), (140, 1017826), (280, 508913)]