126274280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{286987}}^1$

素因数の和:287009

約数の個数: 32

約数和(自身を含む): 309947040

約数和(自身を除く): 183672760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 286987, 573974, 1147948, 1434935, 2295896, 2869870, 3156857, 5739740, 6313714, 11479480, 12627428, 15784285, 25254856, 31568570, 63137140, 126274280]

約数ペア:

[(1, 126274280), (2, 63137140), (4, 31568570), (5, 25254856), (8, 15784285), (10, 12627428), (11, 11479480), (20, 6313714), (22, 5739740), (40, 3156857), (44, 2869870), (55, 2295896), (88, 1434935), (110, 1147948), (220, 573974), (440, 286987)]