1208620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 2963520

約数和(自身を除く): 1754900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 97, 140, 178, 194, 356, 388, 445, 485, 623, 679, 890, 970, 1246, 1358, 1780, 1940, 2492, 2716, 3115, 3395, 6230, 6790, 8633, 12460, 13580, 17266, 34532, 43165, 60431, 86330, 120862, 172660, 241724, 302155, 604310, 1208620]

約数ペア:

[(1, 1208620), (2, 604310), (4, 302155), (5, 241724), (7, 172660), (10, 120862), (14, 86330), (20, 60431), (28, 43165), (35, 34532), (70, 17266), (89, 13580), (97, 12460), (140, 8633), (178, 6790), (194, 6230), (356, 3395), (388, 3115), (445, 2716), (485, 2492), (623, 1940), (679, 1780), (890, 1358), (970, 1246)]