207800740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1484291}}^1$

素因数の和:1484307

約数の個数: 24

約数和(自身を含む): 498722112

約数和(自身を除く): 290921372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1484291, 2968582, 5937164, 7421455, 10390037, 14842910, 20780074, 29685820, 41560148, 51950185, 103900370, 207800740]

約数ペア:

[(1, 207800740), (2, 103900370), (4, 51950185), (5, 41560148), (7, 29685820), (10, 20780074), (14, 14842910), (20, 10390037), (28, 7421455), (35, 5937164), (70, 2968582), (140, 1484291)]