4227820

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1543}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 8949024

約数和(自身を除く): 4721204

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 1543, 2740, 3086, 6172, 7715, 15430, 30860, 211391, 422782, 845564, 1056955, 2113910, 4227820]

約数ペア:

[(1, 4227820), (2, 2113910), (4, 1056955), (5, 845564), (10, 422782), (20, 211391), (137, 30860), (274, 15430), (548, 7715), (685, 6172), (1370, 3086), (1543, 2740)]