278567420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{93479}}^1$

素因数の和:93637

約数の個数: 24

約数和(自身を含む): 588924000

約数和(自身を除く): 310356580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 93479, 186958, 373916, 467395, 934790, 1869580, 13928371, 27856742, 55713484, 69641855, 139283710, 278567420]

約数ペア:

[(1, 278567420), (2, 139283710), (4, 69641855), (5, 55713484), (10, 27856742), (20, 13928371), (149, 1869580), (298, 934790), (596, 467395), (745, 373916), (1490, 186958), (2980, 93479)]