128464660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{1447}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 283159296

約数和(自身を除く): 154694636

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 193, 230, 386, 460, 772, 965, 1447, 1930, 2894, 3860, 4439, 5788, 7235, 8878, 14470, 17756, 22195, 28940, 33281, 44390, 66562, 88780, 133124, 166405, 279271, 332810, 558542, 665620, 1117084, 1396355, 2792710, 5585420, 6423233, 12846466, 25692932, 32116165, 64232330, 128464660]

約数ペア:

[(1, 128464660), (2, 64232330), (4, 32116165), (5, 25692932), (10, 12846466), (20, 6423233), (23, 5585420), (46, 2792710), (92, 1396355), (115, 1117084), (193, 665620), (230, 558542), (386, 332810), (460, 279271), (772, 166405), (965, 133124), (1447, 88780), (1930, 66562), (2894, 44390), (3860, 33281), (4439, 28940), (5788, 22195), (7235, 17756), (8878, 14470)]