138898060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{992129}}^1$

素因数の和:992145

約数の個数: 24

約数和(自身を含む): 333355680

約数和(自身を除く): 194457620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 992129, 1984258, 3968516, 4960645, 6944903, 9921290, 13889806, 19842580, 27779612, 34724515, 69449030, 138898060]

約数ペア:

[(1, 138898060), (2, 69449030), (4, 34724515), (5, 27779612), (7, 19842580), (10, 13889806), (14, 9921290), (20, 6944903), (28, 4960645), (35, 3968516), (70, 1984258), (140, 992129)]