7891340

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1723}}^1$

素因数の和:1961

約数の個数: 24

約数和(自身を含む): 16653840

約数和(自身を除く): 8762500

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 1723, 2290, 3446, 4580, 6892, 8615, 17230, 34460, 394567, 789134, 1578268, 1972835, 3945670, 7891340]

約数ペア:

[(1, 7891340), (2, 3945670), (4, 1972835), (5, 1578268), (10, 789134), (20, 394567), (229, 34460), (458, 17230), (916, 8615), (1145, 6892), (1723, 4580), (2290, 3446)]