138248980

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{14431}}^1$

素因数の和:14919

約数の個数: 24

約数和(自身を含む): 290949120

約数和(自身を除く): 152700140

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2395, 4790, 9580, 14431, 28862, 57724, 72155, 144310, 288620, 6912449, 13824898, 27649796, 34562245, 69124490, 138248980]

約数ペア:

[(1, 138248980), (2, 69124490), (4, 34562245), (5, 27649796), (10, 13824898), (20, 6912449), (479, 288620), (958, 144310), (1916, 72155), (2395, 57724), (4790, 28862), (9580, 14431)]