140145820

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{14629}}^1$

素因数の和:15117

約数の個数: 24

約数和(自身を含む): 294940800

約数和(自身を除く): 154794980

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2395, 4790, 9580, 14629, 29258, 58516, 73145, 146290, 292580, 7007291, 14014582, 28029164, 35036455, 70072910, 140145820]

約数ペア:

[(1, 140145820), (2, 70072910), (4, 35036455), (5, 28029164), (10, 14014582), (20, 7007291), (479, 292580), (958, 146290), (1916, 73145), (2395, 58516), (4790, 29258), (9580, 14629)]