200521580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1432297}}^1$

素因数の和:1432313

約数の個数: 24

約数和(自身を含む): 481252128

約数和(自身を除く): 280730548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1432297, 2864594, 5729188, 7161485, 10026079, 14322970, 20052158, 28645940, 40104316, 50130395, 100260790, 200521580]

約数ペア:

[(1, 200521580), (2, 100260790), (4, 50130395), (5, 40104316), (7, 28645940), (10, 20052158), (14, 14322970), (20, 10026079), (28, 7161485), (35, 5729188), (70, 2864594), (140, 1432297)]