208040420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1486003}}^1$

素因数の和:1486019

約数の個数: 24

約数和(自身を含む): 499297344

約数和(自身を除く): 291256924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1486003, 2972006, 5944012, 7430015, 10402021, 14860030, 20804042, 29720060, 41608084, 52010105, 104020210, 208040420]

約数ペア:

[(1, 208040420), (2, 104020210), (4, 52010105), (5, 41608084), (7, 29720060), (10, 20804042), (14, 14860030), (20, 10402021), (28, 7430015), (35, 5944012), (70, 2972006), (140, 1486003)]