211047340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1507481}}^1$

素因数の和:1507497

約数の個数: 24

約数和(自身を含む): 506513952

約数和(自身を除く): 295466612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1507481, 3014962, 6029924, 7537405, 10552367, 15074810, 21104734, 30149620, 42209468, 52761835, 105523670, 211047340]

約数ペア:

[(1, 211047340), (2, 105523670), (4, 52761835), (5, 42209468), (7, 30149620), (10, 21104734), (14, 15074810), (20, 10552367), (28, 7537405), (35, 6029924), (70, 3014962), (140, 1507481)]