609880

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 1396800

約数和(自身を除く): 786920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 193, 316, 386, 395, 632, 772, 790, 965, 1544, 1580, 1930, 3160, 3860, 7720, 15247, 30494, 60988, 76235, 121976, 152470, 304940, 609880]

約数ペア:

[(1, 609880), (2, 304940), (4, 152470), (5, 121976), (8, 76235), (10, 60988), (20, 30494), (40, 15247), (79, 7720), (158, 3860), (193, 3160), (316, 1930), (386, 1580), (395, 1544), (632, 965), (772, 790)]