205480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{467}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 505440

約数和(自身を除く): 299960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 467, 934, 1868, 2335, 3736, 4670, 5137, 9340, 10274, 18680, 20548, 25685, 41096, 51370, 102740, 205480]

約数ペア:

[(1, 205480), (2, 102740), (4, 51370), (5, 41096), (8, 25685), (10, 20548), (11, 18680), (20, 10274), (22, 9340), (40, 5137), (44, 4670), (55, 3736), (88, 2335), (110, 1868), (220, 934), (440, 467)]