84757480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{487}}^1$

素因数の和:746

約数の個数: 64

約数和(自身を含む): 202032000

約数和(自身を除く): 117274520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 229, 380, 458, 487, 760, 916, 974, 1145, 1832, 1948, 2290, 2435, 3896, 4351, 4580, 4870, 8702, 9160, 9253, 9740, 17404, 18506, 19480, 21755, 34808, 37012, 43510, 46265, 74024, 87020, 92530, 111523, 174040, 185060, 223046, 370120, 446092, 557615, 892184, 1115230, 2118937, 2230460, 4237874, 4460920, 8475748, 10594685, 16951496, 21189370, 42378740, 84757480]

約数ペア:

[(1, 84757480), (2, 42378740), (4, 21189370), (5, 16951496), (8, 10594685), (10, 8475748), (19, 4460920), (20, 4237874), (38, 2230460), (40, 2118937), (76, 1115230), (95, 892184), (152, 557615), (190, 446092), (229, 370120), (380, 223046), (458, 185060), (487, 174040), (760, 111523), (916, 92530), (974, 87020), (1145, 74024), (1832, 46265), (1948, 43510), (2290, 37012), (2435, 34808), (3896, 21755), (4351, 19480), (4580, 18506), (4870, 17404), (8702, 9740), (9160, 9253)]