90125140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{643751}}^1$

素因数の和:643767

約数の個数: 24

約数和(自身を含む): 216300672

約数和(自身を除く): 126175532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 643751, 1287502, 2575004, 3218755, 4506257, 6437510, 9012514, 12875020, 18025028, 22531285, 45062570, 90125140]

約数ペア:

[(1, 90125140), (2, 45062570), (4, 22531285), (5, 18025028), (7, 12875020), (10, 9012514), (14, 6437510), (20, 4506257), (28, 3218755), (35, 2575004), (70, 1287502), (140, 643751)]