74815420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{34319}}^1$

素因数の和:34437

約数の個数: 24

約数和(自身を含む): 158558400

約数和(自身を除く): 83742980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 34319, 68638, 137276, 171595, 343190, 686380, 3740771, 7481542, 14963084, 18703855, 37407710, 74815420]

約数ペア:

[(1, 74815420), (2, 37407710), (4, 18703855), (5, 14963084), (10, 7481542), (20, 3740771), (109, 686380), (218, 343190), (436, 171595), (545, 137276), (1090, 68638), (2180, 34319)]