561350

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:224

約数の個数: 24

約数和(自身を含む): 1063920

約数和(自身を除く): 502570

約数列:

[1, 2, 5, 10, 25, 50, 103, 109, 206, 218, 515, 545, 1030, 1090, 2575, 2725, 5150, 5450, 11227, 22454, 56135, 112270, 280675, 561350]

約数ペア:

[(1, 561350), (2, 280675), (5, 112270), (10, 56135), (25, 22454), (50, 11227), (103, 5450), (109, 5150), (206, 2725), (218, 2575), (515, 1090), (545, 1030)]