4490800

素因数分解:

$2^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:230

約数の個数: 60

約数和(自身を含む): 10993840

約数和(自身を除く): 6503040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 103, 109, 200, 206, 218, 400, 412, 436, 515, 545, 824, 872, 1030, 1090, 1648, 1744, 2060, 2180, 2575, 2725, 4120, 4360, 5150, 5450, 8240, 8720, 10300, 10900, 11227, 20600, 21800, 22454, 41200, 43600, 44908, 56135, 89816, 112270, 179632, 224540, 280675, 449080, 561350, 898160, 1122700, 2245400, 4490800]

約数ペア:

[(1, 4490800), (2, 2245400), (4, 1122700), (5, 898160), (8, 561350), (10, 449080), (16, 280675), (20, 224540), (25, 179632), (40, 112270), (50, 89816), (80, 56135), (100, 44908), (103, 43600), (109, 41200), (200, 22454), (206, 21800), (218, 20600), (400, 11227), (412, 10900), (436, 10300), (515, 8720), (545, 8240), (824, 5450), (872, 5150), (1030, 4360), (1090, 4120), (1648, 2725), (1744, 2575), (2060, 2180)]