51569140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{769}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 124185600

約数和(自身を除く): 72616460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 479, 769, 958, 1538, 1916, 2395, 3076, 3353, 3845, 4790, 5383, 6706, 7690, 9580, 10766, 13412, 15380, 16765, 21532, 26915, 33530, 53830, 67060, 107660, 368351, 736702, 1473404, 1841755, 2578457, 3683510, 5156914, 7367020, 10313828, 12892285, 25784570, 51569140]

約数ペア:

[(1, 51569140), (2, 25784570), (4, 12892285), (5, 10313828), (7, 7367020), (10, 5156914), (14, 3683510), (20, 2578457), (28, 1841755), (35, 1473404), (70, 736702), (140, 368351), (479, 107660), (769, 67060), (958, 53830), (1538, 33530), (1916, 26915), (2395, 21532), (3076, 16765), (3353, 15380), (3845, 13412), (4790, 10766), (5383, 9580), (6706, 7690)]