68149480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{243391}}^1$

素因数の和:243409

約数の個数: 32

約数和(自身を含む): 175242240

約数和(自身を除く): 107092760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 243391, 486782, 973564, 1216955, 1703737, 1947128, 2433910, 3407474, 4867820, 6814948, 8518685, 9735640, 13629896, 17037370, 34074740, 68149480]

約数ペア:

[(1, 68149480), (2, 34074740), (4, 17037370), (5, 13629896), (7, 9735640), (8, 8518685), (10, 6814948), (14, 4867820), (20, 3407474), (28, 2433910), (35, 1947128), (40, 1703737), (56, 1216955), (70, 973564), (140, 486782), (280, 243391)]