852140

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 1808352

約数和(自身を除く): 956212

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 311, 548, 622, 685, 1244, 1370, 1555, 2740, 3110, 6220, 42607, 85214, 170428, 213035, 426070, 852140]

約数ペア:

[(1, 852140), (2, 426070), (4, 213035), (5, 170428), (10, 85214), (20, 42607), (137, 6220), (274, 3110), (311, 2740), (548, 1555), (622, 1370), (685, 1244)]