8378860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{617}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 20349504

約数和(自身を除く): 11970644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 617, 679, 970, 1234, 1358, 1940, 2468, 2716, 3085, 3395, 4319, 6170, 6790, 8638, 12340, 13580, 17276, 21595, 43190, 59849, 86380, 119698, 239396, 299245, 418943, 598490, 837886, 1196980, 1675772, 2094715, 4189430, 8378860]

約数ペア:

[(1, 8378860), (2, 4189430), (4, 2094715), (5, 1675772), (7, 1196980), (10, 837886), (14, 598490), (20, 418943), (28, 299245), (35, 239396), (70, 119698), (97, 86380), (140, 59849), (194, 43190), (388, 21595), (485, 17276), (617, 13580), (679, 12340), (970, 8638), (1234, 6790), (1358, 6170), (1940, 4319), (2468, 3395), (2716, 3085)]