129028060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{921629}}^1$

素因数の和:921645

約数の個数: 24

約数和(自身を含む): 309667680

約数和(自身を除く): 180639620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 921629, 1843258, 3686516, 4608145, 6451403, 9216290, 12902806, 18432580, 25805612, 32257015, 64514030, 129028060]

約数ペア:

[(1, 129028060), (2, 64514030), (4, 32257015), (5, 25805612), (7, 18432580), (10, 12902806), (14, 9216290), (20, 6451403), (28, 4608145), (35, 3686516), (70, 1843258), (140, 921629)]