208069840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3529}}^1$

素因数の和:3620

約数の個数: 80

約数和(自身を含む): 535769280

約数和(自身を除く): 327699440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 80, 88, 110, 134, 176, 220, 268, 335, 440, 536, 670, 737, 880, 1072, 1340, 1474, 2680, 2948, 3529, 3685, 5360, 5896, 7058, 7370, 11792, 14116, 14740, 17645, 28232, 29480, 35290, 38819, 56464, 58960, 70580, 77638, 141160, 155276, 194095, 236443, 282320, 310552, 388190, 472886, 621104, 776380, 945772, 1182215, 1552760, 1891544, 2364430, 2600873, 3105520, 3783088, 4728860, 5201746, 9457720, 10403492, 13004365, 18915440, 20806984, 26008730, 41613968, 52017460, 104034920, 208069840]

約数ペア:

[(1, 208069840), (2, 104034920), (4, 52017460), (5, 41613968), (8, 26008730), (10, 20806984), (11, 18915440), (16, 13004365), (20, 10403492), (22, 9457720), (40, 5201746), (44, 4728860), (55, 3783088), (67, 3105520), (80, 2600873), (88, 2364430), (110, 1891544), (134, 1552760), (176, 1182215), (220, 945772), (268, 776380), (335, 621104), (440, 472886), (536, 388190), (670, 310552), (737, 282320), (880, 236443), (1072, 194095), (1340, 155276), (1474, 141160), (2680, 77638), (2948, 70580), (3529, 58960), (3685, 56464), (5360, 38819), (5896, 35290), (7058, 29480), (7370, 28232), (11792, 17645), (14116, 14740)]