123568280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{280837}}^1$

素因数の和:280859

約数の個数: 32

約数和(自身を含む): 303305040

約数和(自身を除く): 179736760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 280837, 561674, 1123348, 1404185, 2246696, 2808370, 3089207, 5616740, 6178414, 11233480, 12356828, 15446035, 24713656, 30892070, 61784140, 123568280]

約数ペア:

[(1, 123568280), (2, 61784140), (4, 30892070), (5, 24713656), (8, 15446035), (10, 12356828), (11, 11233480), (20, 6178414), (22, 5616740), (40, 3089207), (44, 2808370), (55, 2246696), (88, 1404185), (110, 1123348), (220, 561674), (440, 280837)]