72890180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331319}}^1$

素因数の和:331339

約数の個数: 24

約数和(自身を含む): 166985280

約数和(自身を除く): 94095100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 331319, 662638, 1325276, 1656595, 3313190, 3644509, 6626380, 7289018, 14578036, 18222545, 36445090, 72890180]

約数ペア:

[(1, 72890180), (2, 36445090), (4, 18222545), (5, 14578036), (10, 7289018), (11, 6626380), (20, 3644509), (22, 3313190), (44, 1656595), (55, 1325276), (110, 662638), (220, 331319)]