918280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2087}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 2255040

約数和(自身を除く): 1336760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2087, 4174, 8348, 10435, 16696, 20870, 22957, 41740, 45914, 83480, 91828, 114785, 183656, 229570, 459140, 918280]

約数ペア:

[(1, 918280), (2, 459140), (4, 229570), (5, 183656), (8, 114785), (10, 91828), (11, 83480), (20, 45914), (22, 41740), (40, 22957), (44, 20870), (55, 16696), (88, 10435), (110, 8348), (220, 4174), (440, 2087)]