7202980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2591}}^1$

素因数の和:2739

約数の個数: 24

約数和(自身を含む): 15240960

約数和(自身を除く): 8037980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2591, 2780, 5182, 10364, 12955, 25910, 51820, 360149, 720298, 1440596, 1800745, 3601490, 7202980]

約数ペア:

[(1, 7202980), (2, 3601490), (4, 1800745), (5, 1440596), (10, 720298), (20, 360149), (139, 51820), (278, 25910), (556, 12955), (695, 10364), (1390, 5182), (2591, 2780)]