168182740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{69497}}^1$

素因数の和:69528

約数の個数: 36

約数和(自身を含む): 388215828

約数和(自身を除く): 220033088

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 69497, 138994, 277988, 347485, 694970, 764467, 1389940, 1528934, 3057868, 3822335, 7644670, 8409137, 15289340, 16818274, 33636548, 42045685, 84091370, 168182740]

約数ペア:

[(1, 168182740), (2, 84091370), (4, 42045685), (5, 33636548), (10, 16818274), (11, 15289340), (20, 8409137), (22, 7644670), (44, 3822335), (55, 3057868), (110, 1528934), (121, 1389940), (220, 764467), (242, 694970), (484, 347485), (605, 277988), (1210, 138994), (2420, 69497)]