290515280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{330131}}^1$

素因数の和:330155

約数の個数: 40

約数和(自身を含む): 736854624

約数和(自身を除く): 446339344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 330131, 660262, 1320524, 1650655, 2641048, 3301310, 3631441, 5282096, 6602620, 7262882, 13205240, 14525764, 18157205, 26410480, 29051528, 36314410, 58103056, 72628820, 145257640, 290515280]

約数ペア:

[(1, 290515280), (2, 145257640), (4, 72628820), (5, 58103056), (8, 36314410), (10, 29051528), (11, 26410480), (16, 18157205), (20, 14525764), (22, 13205240), (40, 7262882), (44, 6602620), (55, 5282096), (80, 3631441), (88, 3301310), (110, 2641048), (176, 1650655), (220, 1320524), (440, 660262), (880, 330131)]