68172860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{486949}}^1$

素因数の和:486965

約数の個数: 24

約数和(自身を含む): 163615200

約数和(自身を除く): 95442340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 486949, 973898, 1947796, 2434745, 3408643, 4869490, 6817286, 9738980, 13634572, 17043215, 34086430, 68172860]

約数ペア:

[(1, 68172860), (2, 34086430), (4, 17043215), (5, 13634572), (7, 9738980), (10, 6817286), (14, 4869490), (20, 3408643), (28, 2434745), (35, 1947796), (70, 973898), (140, 486949)]