229081640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{133187}}^1$

素因数の和:133241

約数の個数: 32

約数和(自身を含む): 527424480

約数和(自身を除く): 298342840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 133187, 266374, 532748, 665935, 1065496, 1331870, 2663740, 5327480, 5727041, 11454082, 22908164, 28635205, 45816328, 57270410, 114540820, 229081640]

約数ペア:

[(1, 229081640), (2, 114540820), (4, 57270410), (5, 45816328), (8, 28635205), (10, 22908164), (20, 11454082), (40, 5727041), (43, 5327480), (86, 2663740), (172, 1331870), (215, 1065496), (344, 665935), (430, 532748), (860, 266374), (1720, 133187)]