713932460

素因数分解:

$2^2\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{17911}}^1$

素因数の和:19913

約数の個数: 24

約数和(自身を含む): 1500094176

約数和(自身を除く): 786161716

約数列:

[1, 2, 4, 5, 10, 20, 1993, 3986, 7972, 9965, 17911, 19930, 35822, 39860, 71644, 89555, 179110, 358220, 35696623, 71393246, 142786492, 178483115, 356966230, 713932460]

約数ペア:

[(1, 713932460), (2, 356966230), (4, 178483115), (5, 142786492), (10, 71393246), (20, 35696623), (1993, 358220), (3986, 179110), (7972, 89555), (9965, 71644), (17911, 39860), (19930, 35822)]