208048280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{472837}}^1$

素因数の和:472859

約数の個数: 32

約数和(自身を含む): 510665040

約数和(自身を除く): 302616760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 472837, 945674, 1891348, 2364185, 3782696, 4728370, 5201207, 9456740, 10402414, 18913480, 20804828, 26006035, 41609656, 52012070, 104024140, 208048280]

約数ペア:

[(1, 208048280), (2, 104024140), (4, 52012070), (5, 41609656), (8, 26006035), (10, 20804828), (11, 18913480), (20, 10402414), (22, 9456740), (40, 5201207), (44, 4728370), (55, 3782696), (88, 2364185), (110, 1891348), (220, 945674), (440, 472837)]