142340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 326592

約数和(自身を除く): 184252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 647, 1294, 2588, 3235, 6470, 7117, 12940, 14234, 28468, 35585, 71170, 142340]

約数ペア:

[(1, 142340), (2, 71170), (4, 35585), (5, 28468), (10, 14234), (11, 12940), (20, 7117), (22, 6470), (44, 3235), (55, 2588), (110, 1294), (220, 647)]