214280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 527040

約数和(自身を除く): 312760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 487, 974, 1948, 2435, 3896, 4870, 5357, 9740, 10714, 19480, 21428, 26785, 42856, 53570, 107140, 214280]

約数ペア:

[(1, 214280), (2, 107140), (4, 53570), (5, 42856), (8, 26785), (10, 21428), (11, 19480), (20, 10714), (22, 9740), (40, 5357), (44, 4870), (55, 3896), (88, 2435), (110, 1948), (220, 974), (440, 487)]