74840420

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{8447}}^1$

素因数の和:8899

約数の個数: 24

約数和(自身を含む): 157538304

約数和(自身を除く): 82697884

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8447, 8860, 16894, 33788, 42235, 84470, 168940, 3742021, 7484042, 14968084, 18710105, 37420210, 74840420]

約数ペア:

[(1, 74840420), (2, 37420210), (4, 18710105), (5, 14968084), (10, 7484042), (20, 3742021), (443, 168940), (886, 84470), (1772, 42235), (2215, 33788), (4430, 16894), (8447, 8860)]