427886140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1944937}}^1$

素因数の和:1944957

約数の個数: 24

約数和(自身を含む): 980248752

約数和(自身を除く): 552362612

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1944937, 3889874, 7779748, 9724685, 19449370, 21394307, 38898740, 42788614, 85577228, 106971535, 213943070, 427886140]

約数ペア:

[(1, 427886140), (2, 213943070), (4, 106971535), (5, 85577228), (10, 42788614), (11, 38898740), (20, 21394307), (22, 19449370), (44, 9724685), (55, 7779748), (110, 3889874), (220, 1944937)]