279928640

素因数分解:

$2^6\times 5^1\times {\mathrm{874777}}^1$

素因数の和:874794

約数の個数: 28

約数和(自身を含む): 666580836

約数和(自身を除く): 386652196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 874777, 1749554, 3499108, 4373885, 6998216, 8747770, 13996432, 17495540, 27992864, 34991080, 55985728, 69982160, 139964320, 279928640]

約数ペア:

[(1, 279928640), (2, 139964320), (4, 69982160), (5, 55985728), (8, 34991080), (10, 27992864), (16, 17495540), (20, 13996432), (32, 8747770), (40, 6998216), (64, 4373885), (80, 3499108), (160, 1749554), (320, 874777)]