105142940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{751021}}^1$

素因数の和:751037

約数の個数: 24

約数和(自身を含む): 252343392

約数和(自身を除く): 147200452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 751021, 1502042, 3004084, 3755105, 5257147, 7510210, 10514294, 15020420, 21028588, 26285735, 52571470, 105142940]

約数ペア:

[(1, 105142940), (2, 52571470), (4, 26285735), (5, 21028588), (7, 15020420), (10, 10514294), (14, 7510210), (20, 5257147), (28, 3755105), (35, 3004084), (70, 1502042), (140, 751021)]