206496400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:761

約数の個数: 120

約数和(自身を含む): 549661248

約数和(自身を除く): 343164848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 71, 80, 88, 100, 110, 142, 176, 200, 220, 275, 284, 355, 400, 440, 550, 568, 661, 710, 781, 880, 1100, 1136, 1322, 1420, 1562, 1775, 2200, 2644, 2840, 3124, 3305, 3550, 3905, 4400, 5288, 5680, 6248, 6610, 7100, 7271, 7810, 10576, 12496, 13220, 14200, 14542, 15620, 16525, 19525, 26440, 28400, 29084, 31240, 33050, 36355, 39050, 46931, 52880, 58168, 62480, 66100, 72710, 78100, 93862, 116336, 132200, 145420, 156200, 181775, 187724, 234655, 264400, 290840, 312400, 363550, 375448, 469310, 516241, 581680, 727100, 750896, 938620, 1032482, 1173275, 1454200, 1877240, 2064964, 2346550, 2581205, 2908400, 3754480, 4129928, 4693100, 5162410, 8259856, 9386200, 10324820, 12906025, 18772400, 20649640, 25812050, 41299280, 51624100, 103248200, 206496400]

約数ペア:

[(1, 206496400), (2, 103248200), (4, 51624100), (5, 41299280), (8, 25812050), (10, 20649640), (11, 18772400), (16, 12906025), (20, 10324820), (22, 9386200), (25, 8259856), (40, 5162410), (44, 4693100), (50, 4129928), (55, 3754480), (71, 2908400), (80, 2581205), (88, 2346550), (100, 2064964), (110, 1877240), (142, 1454200), (176, 1173275), (200, 1032482), (220, 938620), (275, 750896), (284, 727100), (355, 581680), (400, 516241), (440, 469310), (550, 375448), (568, 363550), (661, 312400), (710, 290840), (781, 264400), (880, 234655), (1100, 187724), (1136, 181775), (1322, 156200), (1420, 145420), (1562, 132200), (1775, 116336), (2200, 93862), (2644, 78100), (2840, 72710), (3124, 66100), (3305, 62480), (3550, 58168), (3905, 52880), (4400, 46931), (5288, 39050), (5680, 36355), (6248, 33050), (6610, 31240), (7100, 29084), (7271, 28400), (7810, 26440), (10576, 19525), (12496, 16525), (13220, 15620), (14200, 14542)]