208032020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{15319}}^1$

素因数の和:15432

約数の個数: 48

約数和(自身を含む): 504456960

約数和(自身を除く): 296424940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 6790, 13580, 15319, 30638, 61276, 76595, 107233, 153190, 214466, 306380, 428932, 536165, 1072330, 1485943, 2144660, 2971886, 5943772, 7429715, 10401601, 14859430, 20803202, 29718860, 41606404, 52008005, 104016010, 208032020]

約数ペア:

[(1, 208032020), (2, 104016010), (4, 52008005), (5, 41606404), (7, 29718860), (10, 20803202), (14, 14859430), (20, 10401601), (28, 7429715), (35, 5943772), (70, 2971886), (97, 2144660), (140, 1485943), (194, 1072330), (388, 536165), (485, 428932), (679, 306380), (970, 214466), (1358, 153190), (1940, 107233), (2716, 76595), (3395, 61276), (6790, 30638), (13580, 15319)]