159460460

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{379}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 340586400

約数和(自身を除く): 181125940

約数列:

[1, 2, 4, 5, 10, 20, 109, 193, 218, 379, 386, 436, 545, 758, 772, 965, 1090, 1516, 1895, 1930, 2180, 3790, 3860, 7580, 21037, 41311, 42074, 73147, 82622, 84148, 105185, 146294, 165244, 206555, 210370, 292588, 365735, 413110, 420740, 731470, 826220, 1462940, 7973023, 15946046, 31892092, 39865115, 79730230, 159460460]

約数ペア:

[(1, 159460460), (2, 79730230), (4, 39865115), (5, 31892092), (10, 15946046), (20, 7973023), (109, 1462940), (193, 826220), (218, 731470), (379, 420740), (386, 413110), (436, 365735), (545, 292588), (758, 210370), (772, 206555), (965, 165244), (1090, 146294), (1516, 105185), (1895, 84148), (1930, 82622), (2180, 73147), (3790, 42074), (3860, 41311), (7580, 21037)]