77750680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3911}}^1$

素因数の和:4000

約数の個数: 64

約数和(自身を含む): 202798080

約数和(自身を除く): 125047400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3911, 3976, 4970, 7822, 9940, 15644, 19555, 19880, 27377, 31288, 39110, 54754, 78220, 109508, 136885, 156440, 219016, 273770, 277681, 547540, 555362, 1095080, 1110724, 1388405, 1943767, 2221448, 2776810, 3887534, 5553620, 7775068, 9718835, 11107240, 15550136, 19437670, 38875340, 77750680]

約数ペア:

[(1, 77750680), (2, 38875340), (4, 19437670), (5, 15550136), (7, 11107240), (8, 9718835), (10, 7775068), (14, 5553620), (20, 3887534), (28, 2776810), (35, 2221448), (40, 1943767), (56, 1388405), (70, 1110724), (71, 1095080), (140, 555362), (142, 547540), (280, 277681), (284, 273770), (355, 219016), (497, 156440), (568, 136885), (710, 109508), (994, 78220), (1420, 54754), (1988, 39110), (2485, 31288), (2840, 27377), (3911, 19880), (3976, 19555), (4970, 15644), (7822, 9940)]