461623720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{443}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 1054944000

約数和(自身を除く): 593320280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 239, 436, 443, 478, 545, 872, 886, 956, 1090, 1195, 1772, 1912, 2180, 2215, 2390, 3544, 4360, 4430, 4780, 8860, 9560, 17720, 26051, 48287, 52102, 96574, 104204, 105877, 130255, 193148, 208408, 211754, 241435, 260510, 386296, 423508, 482870, 521020, 529385, 847016, 965740, 1042040, 1058770, 1931480, 2117540, 4235080, 11540593, 23081186, 46162372, 57702965, 92324744, 115405930, 230811860, 461623720]

約数ペア:

[(1, 461623720), (2, 230811860), (4, 115405930), (5, 92324744), (8, 57702965), (10, 46162372), (20, 23081186), (40, 11540593), (109, 4235080), (218, 2117540), (239, 1931480), (436, 1058770), (443, 1042040), (478, 965740), (545, 847016), (872, 529385), (886, 521020), (956, 482870), (1090, 423508), (1195, 386296), (1772, 260510), (1912, 241435), (2180, 211754), (2215, 208408), (2390, 193148), (3544, 130255), (4360, 105877), (4430, 104204), (4780, 96574), (8860, 52102), (9560, 48287), (17720, 26051)]