203428280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{462337}}^1$

素因数の和:462359

約数の個数: 32

約数和(自身を含む): 499325040

約数和(自身を除く): 295896760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 462337, 924674, 1849348, 2311685, 3698696, 4623370, 5085707, 9246740, 10171414, 18493480, 20342828, 25428535, 40685656, 50857070, 101714140, 203428280]

約数ペア:

[(1, 203428280), (2, 101714140), (4, 50857070), (5, 40685656), (8, 25428535), (10, 20342828), (11, 18493480), (20, 10171414), (22, 9246740), (40, 5085707), (44, 4623370), (55, 3698696), (88, 2311685), (110, 1849348), (220, 924674), (440, 462337)]