218368040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{496291}}^1$

素因数の和:496313

約数の個数: 32

約数和(自身を含む): 535995360

約数和(自身を除く): 317627320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 496291, 992582, 1985164, 2481455, 3970328, 4962910, 5459201, 9925820, 10918402, 19851640, 21836804, 27296005, 43673608, 54592010, 109184020, 218368040]

約数ペア:

[(1, 218368040), (2, 109184020), (4, 54592010), (5, 43673608), (8, 27296005), (10, 21836804), (11, 19851640), (20, 10918402), (22, 9925820), (40, 5459201), (44, 4962910), (55, 3970328), (88, 2481455), (110, 1985164), (220, 992582), (440, 496291)]