172340420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1231003}}^1$

素因数の和:1231019

約数の個数: 24

約数和(自身を含む): 413617344

約数和(自身を除く): 241276924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1231003, 2462006, 4924012, 6155015, 8617021, 12310030, 17234042, 24620060, 34468084, 43085105, 86170210, 172340420]

約数ペア:

[(1, 172340420), (2, 86170210), (4, 43085105), (5, 34468084), (7, 24620060), (10, 17234042), (14, 12310030), (20, 8617021), (28, 6155015), (35, 4924012), (70, 2462006), (140, 1231003)]