77548940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{553921}}^1$

素因数の和:553937

約数の個数: 24

約数和(自身を含む): 186117792

約数和(自身を除く): 108568852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 553921, 1107842, 2215684, 2769605, 3877447, 5539210, 7754894, 11078420, 15509788, 19387235, 38774470, 77548940]

約数ペア:

[(1, 77548940), (2, 38774470), (4, 19387235), (5, 15509788), (7, 11078420), (10, 7754894), (14, 5539210), (20, 3877447), (28, 2769605), (35, 2215684), (70, 1107842), (140, 553921)]