10780420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{77003}}^1$

素因数の和:77019

約数の個数: 24

約数和(自身を含む): 25873344

約数和(自身を除く): 15092924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 77003, 154006, 308012, 385015, 539021, 770030, 1078042, 1540060, 2156084, 2695105, 5390210, 10780420]

約数ペア:

[(1, 10780420), (2, 5390210), (4, 2695105), (5, 2156084), (7, 1540060), (10, 1078042), (14, 770030), (20, 539021), (28, 385015), (35, 308012), (70, 154006), (140, 77003)]