2245400

素因数分解:

$2^3\times 5^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 5319600

約数和(自身を除く): 3074200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 103, 109, 200, 206, 218, 412, 436, 515, 545, 824, 872, 1030, 1090, 2060, 2180, 2575, 2725, 4120, 4360, 5150, 5450, 10300, 10900, 11227, 20600, 21800, 22454, 44908, 56135, 89816, 112270, 224540, 280675, 449080, 561350, 1122700, 2245400]

約数ペア:

[(1, 2245400), (2, 1122700), (4, 561350), (5, 449080), (8, 280675), (10, 224540), (20, 112270), (25, 89816), (40, 56135), (50, 44908), (100, 22454), (103, 21800), (109, 20600), (200, 11227), (206, 10900), (218, 10300), (412, 5450), (436, 5150), (515, 4360), (545, 4120), (824, 2725), (872, 2575), (1030, 2180), (1090, 2060)]