208481680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:417

約数の個数: 160

約数和(自身を含む): 573356160

約数和(自身を除く): 364874480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 37, 38, 40, 44, 55, 74, 76, 80, 88, 95, 110, 148, 152, 176, 185, 190, 209, 220, 296, 304, 337, 370, 380, 407, 418, 440, 592, 674, 703, 740, 760, 814, 836, 880, 1045, 1348, 1406, 1480, 1520, 1628, 1672, 1685, 2035, 2090, 2696, 2812, 2960, 3256, 3344, 3370, 3515, 3707, 4070, 4180, 5392, 5624, 6403, 6512, 6740, 7030, 7414, 7733, 8140, 8360, 11248, 12469, 12806, 13480, 14060, 14828, 15466, 16280, 16720, 18535, 24938, 25612, 26960, 28120, 29656, 30932, 32015, 32560, 37070, 38665, 49876, 51224, 56240, 59312, 61864, 62345, 64030, 70433, 74140, 77330, 99752, 102448, 123728, 124690, 128060, 137159, 140866, 148280, 154660, 199504, 236911, 249380, 256120, 274318, 281732, 296560, 309320, 352165, 473822, 498760, 512240, 548636, 563464, 618640, 685795, 704330, 947644, 997520, 1097272, 1126928, 1184555, 1371590, 1408660, 1895288, 2194544, 2369110, 2606021, 2743180, 2817320, 3790576, 4738220, 5212042, 5486360, 5634640, 9476440, 10424084, 10972720, 13030105, 18952880, 20848168, 26060210, 41696336, 52120420, 104240840, 208481680]

約数ペア:

[(1, 208481680), (2, 104240840), (4, 52120420), (5, 41696336), (8, 26060210), (10, 20848168), (11, 18952880), (16, 13030105), (19, 10972720), (20, 10424084), (22, 9476440), (37, 5634640), (38, 5486360), (40, 5212042), (44, 4738220), (55, 3790576), (74, 2817320), (76, 2743180), (80, 2606021), (88, 2369110), (95, 2194544), (110, 1895288), (148, 1408660), (152, 1371590), (176, 1184555), (185, 1126928), (190, 1097272), (209, 997520), (220, 947644), (296, 704330), (304, 685795), (337, 618640), (370, 563464), (380, 548636), (407, 512240), (418, 498760), (440, 473822), (592, 352165), (674, 309320), (703, 296560), (740, 281732), (760, 274318), (814, 256120), (836, 249380), (880, 236911), (1045, 199504), (1348, 154660), (1406, 148280), (1480, 140866), (1520, 137159), (1628, 128060), (1672, 124690), (1685, 123728), (2035, 102448), (2090, 99752), (2696, 77330), (2812, 74140), (2960, 70433), (3256, 64030), (3344, 62345), (3370, 61864), (3515, 59312), (3707, 56240), (4070, 51224), (4180, 49876), (5392, 38665), (5624, 37070), (6403, 32560), (6512, 32015), (6740, 30932), (7030, 29656), (7414, 28120), (7733, 26960), (8140, 25612), (8360, 24938), (11248, 18535), (12469, 16720), (12806, 16280), (13480, 15466), (14060, 14828)]