77140420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{551003}}^1$

素因数の和:551019

約数の個数: 24

約数和(自身を含む): 185137344

約数和(自身を除く): 107996924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 551003, 1102006, 2204012, 2755015, 3857021, 5510030, 7714042, 11020060, 15428084, 19285105, 38570210, 77140420]

約数ペア:

[(1, 77140420), (2, 38570210), (4, 19285105), (5, 15428084), (7, 11020060), (10, 7714042), (14, 5510030), (20, 3857021), (28, 2755015), (35, 2204012), (70, 1102006), (140, 551003)]