157856180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{853}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 350071680

約数和(自身を除く): 192215500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 487, 853, 974, 1706, 1948, 2435, 3412, 4265, 4870, 8530, 9253, 9740, 16207, 17060, 18506, 32414, 37012, 46265, 64828, 81035, 92530, 162070, 185060, 324140, 415411, 830822, 1661644, 2077055, 4154110, 7892809, 8308220, 15785618, 31571236, 39464045, 78928090, 157856180]

約数ペア:

[(1, 157856180), (2, 78928090), (4, 39464045), (5, 31571236), (10, 15785618), (19, 8308220), (20, 7892809), (38, 4154110), (76, 2077055), (95, 1661644), (190, 830822), (380, 415411), (487, 324140), (853, 185060), (974, 162070), (1706, 92530), (1948, 81035), (2435, 64828), (3412, 46265), (4265, 37012), (4870, 32414), (8530, 18506), (9253, 17060), (9740, 16207)]