84738640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{21617}}^1$

素因数の和:21644

約数の個数: 60

約数和(自身を含む): 229194036

約数和(自身を除く): 144455396

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 21617, 43234, 86468, 108085, 151319, 172936, 216170, 302638, 345872, 432340, 605276, 756595, 864680, 1059233, 1210552, 1513190, 1729360, 2118466, 2421104, 3026380, 4236932, 5296165, 6052760, 8473864, 10592330, 12105520, 16947728, 21184660, 42369320, 84738640]

約数ペア:

[(1, 84738640), (2, 42369320), (4, 21184660), (5, 16947728), (7, 12105520), (8, 10592330), (10, 8473864), (14, 6052760), (16, 5296165), (20, 4236932), (28, 3026380), (35, 2421104), (40, 2118466), (49, 1729360), (56, 1513190), (70, 1210552), (80, 1059233), (98, 864680), (112, 756595), (140, 605276), (196, 432340), (245, 345872), (280, 302638), (392, 216170), (490, 172936), (560, 151319), (784, 108085), (980, 86468), (1960, 43234), (3920, 21617)]