30530900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{2801}}^1$

素因数の和:2924

約数の個数: 36

約数和(自身を含む): 66883740

約数和(自身を除く): 36352840

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 2801, 5450, 5602, 10900, 11204, 14005, 28010, 56020, 70025, 140050, 280100, 305309, 610618, 1221236, 1526545, 3053090, 6106180, 7632725, 15265450, 30530900]

約数ペア:

[(1, 30530900), (2, 15265450), (4, 7632725), (5, 6106180), (10, 3053090), (20, 1526545), (25, 1221236), (50, 610618), (100, 305309), (109, 280100), (218, 140050), (436, 70025), (545, 56020), (1090, 28010), (2180, 14005), (2725, 11204), (2801, 10900), (5450, 5602)]