206640650

素因数分解:

$2^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{27737}}^1$

素因数の和:27898

約数の個数: 24

約数和(自身を含む): 386945100

約数和(自身を除く): 180304450

約数列:

[1, 2, 5, 10, 25, 50, 149, 298, 745, 1490, 3725, 7450, 27737, 55474, 138685, 277370, 693425, 1386850, 4132813, 8265626, 20664065, 41328130, 103320325, 206640650]

約数ペア:

[(1, 206640650), (2, 103320325), (5, 41328130), (10, 20664065), (25, 8265626), (50, 4132813), (149, 1386850), (298, 693425), (745, 277370), (1490, 138685), (3725, 55474), (7450, 27737)]