201534460

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{479}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 430214400

約数和(自身を除く): 228679940

約数列:

[1, 2, 4, 5, 10, 20, 109, 193, 218, 386, 436, 479, 545, 772, 958, 965, 1090, 1916, 1930, 2180, 2395, 3860, 4790, 9580, 21037, 42074, 52211, 84148, 92447, 104422, 105185, 184894, 208844, 210370, 261055, 369788, 420740, 462235, 522110, 924470, 1044220, 1848940, 10076723, 20153446, 40306892, 50383615, 100767230, 201534460]

約数ペア:

[(1, 201534460), (2, 100767230), (4, 50383615), (5, 40306892), (10, 20153446), (20, 10076723), (109, 1848940), (193, 1044220), (218, 924470), (386, 522110), (436, 462235), (479, 420740), (545, 369788), (772, 261055), (958, 210370), (965, 208844), (1090, 184894), (1916, 105185), (1930, 104422), (2180, 92447), (2395, 84148), (3860, 52211), (4790, 42074), (9580, 21037)]