304940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 651840

約数和(自身を除く): 346900

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 193, 316, 386, 395, 772, 790, 965, 1580, 1930, 3860, 15247, 30494, 60988, 76235, 152470, 304940]

約数ペア:

[(1, 304940), (2, 152470), (4, 76235), (5, 60988), (10, 30494), (20, 15247), (79, 3860), (158, 1930), (193, 1580), (316, 965), (386, 790), (395, 772)]