307788140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1399037}}^1$

素因数の和:1399057

約数の個数: 24

約数和(自身を含む): 705115152

約数和(自身を除く): 397327012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1399037, 2798074, 5596148, 6995185, 13990370, 15389407, 27980740, 30778814, 61557628, 76947035, 153894070, 307788140]

約数ペア:

[(1, 307788140), (2, 153894070), (4, 76947035), (5, 61557628), (10, 30778814), (11, 27980740), (20, 15389407), (22, 13990370), (44, 6995185), (55, 5596148), (110, 2798074), (220, 1399037)]