149725820

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{15629}}^1$

素因数の和:16117

約数の個数: 24

約数和(自身を含む): 315100800

約数和(自身を除く): 165374980

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2395, 4790, 9580, 15629, 31258, 62516, 78145, 156290, 312580, 7486291, 14972582, 29945164, 37431455, 74862910, 149725820]

約数ペア:

[(1, 149725820), (2, 74862910), (4, 37431455), (5, 29945164), (10, 14972582), (20, 7486291), (479, 312580), (958, 156290), (1916, 78145), (2395, 62516), (4790, 31258), (9580, 15629)]