7800940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{55721}}^1$

素因数の和:55737

約数の個数: 24

約数和(自身を含む): 18722592

約数和(自身を除く): 10921652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 55721, 111442, 222884, 278605, 390047, 557210, 780094, 1114420, 1560188, 1950235, 3900470, 7800940]

約数ペア:

[(1, 7800940), (2, 3900470), (4, 1950235), (5, 1560188), (7, 1114420), (10, 780094), (14, 557210), (20, 390047), (28, 278605), (35, 222884), (70, 111442), (140, 55721)]