7287740

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3343}}^1$

素因数の和:3461

約数の個数: 24

約数和(自身を含む): 15449280

約数和(自身を除く): 8161540

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 3343, 6686, 13372, 16715, 33430, 66860, 364387, 728774, 1457548, 1821935, 3643870, 7287740]

約数ペア:

[(1, 7287740), (2, 3643870), (4, 1821935), (5, 1457548), (10, 728774), (20, 364387), (109, 66860), (218, 33430), (436, 16715), (545, 13372), (1090, 6686), (2180, 3343)]