78178660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4397}}^1$

素因数の和:4540

約数の個数: 48

約数和(自身を含む): 189149184

約数和(自身を除く): 110970524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4397, 4445, 8794, 8890, 17588, 17780, 21985, 30779, 43970, 61558, 87940, 123116, 153895, 307790, 558419, 615580, 1116838, 2233676, 2792095, 3908933, 5584190, 7817866, 11168380, 15635732, 19544665, 39089330, 78178660]

約数ペア:

[(1, 78178660), (2, 39089330), (4, 19544665), (5, 15635732), (7, 11168380), (10, 7817866), (14, 5584190), (20, 3908933), (28, 2792095), (35, 2233676), (70, 1116838), (127, 615580), (140, 558419), (254, 307790), (508, 153895), (635, 123116), (889, 87940), (1270, 61558), (1778, 43970), (2540, 30779), (3556, 21985), (4397, 17780), (4445, 17588), (8794, 8890)]