388618180

素因数分解:

$2^2\times 5^1\times {\mathrm{3607}}^1\times {\mathrm{5387}}^1$

素因数の和:9003

約数の個数: 24

約数和(自身を含む): 816475968

約数和(自身を除く): 427857788

約数列:

[1, 2, 4, 5, 10, 20, 3607, 5387, 7214, 10774, 14428, 18035, 21548, 26935, 36070, 53870, 72140, 107740, 19430909, 38861818, 77723636, 97154545, 194309090, 388618180]

約数ペア:

[(1, 388618180), (2, 194309090), (4, 97154545), (5, 77723636), (10, 38861818), (20, 19430909), (3607, 107740), (5387, 72140), (7214, 53870), (10774, 36070), (14428, 26935), (18035, 21548)]