245186180

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{39419}}^1$

素因数の和:39739

約数の個数: 24

約数和(自身を含む): 516559680

約数和(自身を除く): 271373500

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 39419, 78838, 157676, 197095, 394190, 788380, 12259309, 24518618, 49037236, 61296545, 122593090, 245186180]

約数ペア:

[(1, 245186180), (2, 122593090), (4, 61296545), (5, 49037236), (10, 24518618), (20, 12259309), (311, 788380), (622, 394190), (1244, 197095), (1555, 157676), (3110, 78838), (6220, 39419)]