1931480

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 4395600

約数和(自身を除く): 2464120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 443, 545, 872, 886, 1090, 1772, 2180, 2215, 3544, 4360, 4430, 8860, 17720, 48287, 96574, 193148, 241435, 386296, 482870, 965740, 1931480]

約数ペア:

[(1, 1931480), (2, 965740), (4, 482870), (5, 386296), (8, 241435), (10, 193148), (20, 96574), (40, 48287), (109, 17720), (218, 8860), (436, 4430), (443, 4360), (545, 3544), (872, 2215), (886, 2180), (1090, 1772)]