268228840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14177}}^1$

素因数の和:14242

約数の個数: 64

約数和(自身を含む): 673738560

約数和(自身を除く): 405509720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 9460, 14177, 18920, 28354, 56708, 70885, 113416, 141770, 155947, 283540, 311894, 567080, 609611, 623788, 779735, 1219222, 1247576, 1559470, 2438444, 3048055, 3118940, 4876888, 6096110, 6237880, 6705721, 12192220, 13411442, 24384440, 26822884, 33528605, 53645768, 67057210, 134114420, 268228840]

約数ペア:

[(1, 268228840), (2, 134114420), (4, 67057210), (5, 53645768), (8, 33528605), (10, 26822884), (11, 24384440), (20, 13411442), (22, 12192220), (40, 6705721), (43, 6237880), (44, 6096110), (55, 4876888), (86, 3118940), (88, 3048055), (110, 2438444), (172, 1559470), (215, 1247576), (220, 1219222), (344, 779735), (430, 623788), (440, 609611), (473, 567080), (860, 311894), (946, 283540), (1720, 155947), (1892, 141770), (2365, 113416), (3784, 70885), (4730, 56708), (9460, 28354), (14177, 18920)]