74906980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{34361}}^1$

素因数の和:34479

約数の個数: 24

約数和(自身を含む): 158752440

約数和(自身を除く): 83845460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 34361, 68722, 137444, 171805, 343610, 687220, 3745349, 7490698, 14981396, 18726745, 37453490, 74906980]

約数ペア:

[(1, 74906980), (2, 37453490), (4, 18726745), (5, 14981396), (10, 7490698), (20, 3745349), (109, 687220), (218, 343610), (436, 171805), (545, 137444), (1090, 68722), (2180, 34361)]