353147540

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1\times {\mathrm{479}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 750919680

約数和(自身を除く): 397772140

約数列:

[1, 2, 4, 5, 10, 20, 191, 193, 382, 386, 479, 764, 772, 955, 958, 965, 1910, 1916, 1930, 2395, 3820, 3860, 4790, 9580, 36863, 73726, 91489, 92447, 147452, 182978, 184315, 184894, 365956, 368630, 369788, 457445, 462235, 737260, 914890, 924470, 1829780, 1848940, 17657377, 35314754, 70629508, 88286885, 176573770, 353147540]

約数ペア:

[(1, 353147540), (2, 176573770), (4, 88286885), (5, 70629508), (10, 35314754), (20, 17657377), (191, 1848940), (193, 1829780), (382, 924470), (386, 914890), (479, 737260), (764, 462235), (772, 457445), (955, 369788), (958, 368630), (965, 365956), (1910, 184894), (1916, 184315), (1930, 182978), (2395, 147452), (3820, 92447), (3860, 91489), (4790, 73726), (9580, 36863)]