201565340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{661}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 431518080

約数和(自身を除く): 229952740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 193, 316, 386, 395, 661, 772, 790, 965, 1322, 1580, 1930, 2644, 3305, 3860, 6610, 13220, 15247, 30494, 52219, 60988, 76235, 104438, 127573, 152470, 208876, 255146, 261095, 304940, 510292, 522190, 637865, 1044380, 1275730, 2551460, 10078267, 20156534, 40313068, 50391335, 100782670, 201565340]

約数ペア:

[(1, 201565340), (2, 100782670), (4, 50391335), (5, 40313068), (10, 20156534), (20, 10078267), (79, 2551460), (158, 1275730), (193, 1044380), (316, 637865), (386, 522190), (395, 510292), (661, 304940), (772, 261095), (790, 255146), (965, 208876), (1322, 152470), (1580, 127573), (1930, 104438), (2644, 76235), (3305, 60988), (3860, 52219), (6610, 30494), (13220, 15247)]