131696840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{299311}}^1$

素因数の和:299333

約数の個数: 32

約数和(自身を含む): 323256960

約数和(自身を除く): 191560120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 299311, 598622, 1197244, 1496555, 2394488, 2993110, 3292421, 5986220, 6584842, 11972440, 13169684, 16462105, 26339368, 32924210, 65848420, 131696840]

約数ペア:

[(1, 131696840), (2, 65848420), (4, 32924210), (5, 26339368), (8, 16462105), (10, 13169684), (11, 11972440), (20, 6584842), (22, 5986220), (40, 3292421), (44, 2993110), (55, 2394488), (88, 1496555), (110, 1197244), (220, 598622), (440, 299311)]