449080

素因数分解:

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

素因数の和:223

約数の個数: 32

約数和(自身を含む): 1029600

約数和(自身を除く): 580520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 109, 206, 218, 412, 436, 515, 545, 824, 872, 1030, 1090, 2060, 2180, 4120, 4360, 11227, 22454, 44908, 56135, 89816, 112270, 224540, 449080]

約数ペア:

[(1, 449080), (2, 224540), (4, 112270), (5, 89816), (8, 56135), (10, 44908), (20, 22454), (40, 11227), (103, 4360), (109, 4120), (206, 2180), (218, 2060), (412, 1090), (436, 1030), (515, 872), (545, 824)]