158800475

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 200880000

約数和(自身を除く): 42079525

約数列:

[1, 5, 25, 89, 149, 445, 479, 745, 2225, 2395, 3725, 11975, 13261, 42631, 66305, 71371, 213155, 331525, 356855, 1065775, 1784275, 6352019, 31760095, 158800475]

約数ペア:

[(1, 158800475), (5, 31760095), (25, 6352019), (89, 1784275), (149, 1065775), (445, 356855), (479, 331525), (745, 213155), (2225, 71371), (2395, 66305), (3725, 42631), (11975, 13261)]