74218420

素因数分解:

$2^2\times 5^1\times {\mathrm{3710921}}^1$

素因数の和:3710930

約数の個数: 12

約数和(自身を含む): 155858724

約数和(自身を除く): 81640304

約数列:

[1, 2, 4, 5, 10, 20, 3710921, 7421842, 14843684, 18554605, 37109210, 74218420]

約数ペア:

[(1, 74218420), (2, 37109210), (4, 18554605), (5, 14843684), (10, 7421842), (20, 3710921)]