1856559620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{4657}}^1$

素因数の和:5340

約数の個数: 48

約数和(自身を含む): 4031666688

約数和(自身を除く): 2175107068

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 643, 1286, 2572, 3215, 4657, 6430, 9314, 12860, 18628, 19933, 23285, 39866, 46570, 79732, 93140, 99665, 144367, 199330, 288734, 398660, 577468, 721835, 1443670, 2887340, 2994451, 5988902, 11977804, 14972255, 29944510, 59889020, 92827981, 185655962, 371311924, 464139905, 928279810, 1856559620]

約数ペア:

[(1, 1856559620), (2, 928279810), (4, 464139905), (5, 371311924), (10, 185655962), (20, 92827981), (31, 59889020), (62, 29944510), (124, 14972255), (155, 11977804), (310, 5988902), (620, 2994451), (643, 2887340), (1286, 1443670), (2572, 721835), (3215, 577468), (4657, 398660), (6430, 288734), (9314, 199330), (12860, 144367), (18628, 99665), (19933, 93140), (23285, 79732), (39866, 46570)]