68433940

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{17729}}^1$

素因数の和:17931

約数の個数: 24

約数和(自身を含む): 144464040

約数和(自身を除く): 76030100

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 17729, 35458, 70916, 88645, 177290, 354580, 3421697, 6843394, 13686788, 17108485, 34216970, 68433940]

約数ペア:

[(1, 68433940), (2, 34216970), (4, 17108485), (5, 13686788), (10, 6843394), (20, 3421697), (193, 354580), (386, 177290), (772, 88645), (965, 70916), (1930, 35458), (3860, 17729)]