205388540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1467061}}^1$

素因数の和:1467077

約数の個数: 24

約数和(自身を含む): 492932832

約数和(自身を除く): 287544292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1467061, 2934122, 5868244, 7335305, 10269427, 14670610, 20538854, 29341220, 41077708, 51347135, 102694270, 205388540]

約数ペア:

[(1, 205388540), (2, 102694270), (4, 51347135), (5, 41077708), (7, 29341220), (10, 20538854), (14, 14670610), (20, 10269427), (28, 7335305), (35, 5868244), (70, 2934122), (140, 1467061)]