284680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 699840

約数和(自身を除く): 415160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 647, 1294, 2588, 3235, 5176, 6470, 7117, 12940, 14234, 25880, 28468, 35585, 56936, 71170, 142340, 284680]

約数ペア:

[(1, 284680), (2, 142340), (4, 71170), (5, 56936), (8, 35585), (10, 28468), (11, 25880), (20, 14234), (22, 12940), (40, 7117), (44, 6470), (55, 5176), (88, 3235), (110, 2588), (220, 1294), (440, 647)]