85682780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{487}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 190202880

約数和(自身を除く): 104520100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 463, 487, 926, 974, 1852, 1948, 2315, 2435, 4630, 4870, 8797, 9253, 9260, 9740, 17594, 18506, 35188, 37012, 43985, 46265, 87970, 92530, 175940, 185060, 225481, 450962, 901924, 1127405, 2254810, 4284139, 4509620, 8568278, 17136556, 21420695, 42841390, 85682780]

約数ペア:

[(1, 85682780), (2, 42841390), (4, 21420695), (5, 17136556), (10, 8568278), (19, 4509620), (20, 4284139), (38, 2254810), (76, 1127405), (95, 901924), (190, 450962), (380, 225481), (463, 185060), (487, 175940), (926, 92530), (974, 87970), (1852, 46265), (1948, 43985), (2315, 37012), (2435, 35188), (4630, 18506), (4870, 17594), (8797, 9740), (9253, 9260)]