2194280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4987}}^1$

素因数の和:5009

約数の個数: 32

約数和(自身を含む): 5387040

約数和(自身を除く): 3192760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4987, 9974, 19948, 24935, 39896, 49870, 54857, 99740, 109714, 199480, 219428, 274285, 438856, 548570, 1097140, 2194280]

約数ペア:

[(1, 2194280), (2, 1097140), (4, 548570), (5, 438856), (8, 274285), (10, 219428), (11, 199480), (20, 109714), (22, 99740), (40, 54857), (44, 49870), (55, 39896), (88, 24935), (110, 19948), (220, 9974), (440, 4987)]