2891155520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:497

約数の個数: 224

約数和(自身を含む): 7988198400

約数和(自身を除く): 5097042880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 139, 152, 160, 176, 190, 209, 220, 278, 304, 311, 320, 352, 380, 418, 440, 556, 608, 622, 695, 704, 760, 836, 880, 1045, 1112, 1216, 1244, 1390, 1520, 1529, 1555, 1672, 1760, 2090, 2224, 2488, 2641, 2780, 3040, 3058, 3110, 3344, 3421, 3520, 4180, 4448, 4976, 5282, 5560, 5909, 6080, 6116, 6220, 6688, 6842, 7645, 8360, 8896, 9952, 10564, 11120, 11818, 12232, 12440, 13205, 13376, 13684, 15290, 16720, 17105, 19904, 21128, 22240, 23636, 24464, 24880, 26410, 27368, 29051, 29545, 30580, 33440, 34210, 42256, 43229, 44480, 47272, 48928, 49760, 52820, 54736, 58102, 59090, 61160, 64999, 66880, 68420, 84512, 86458, 94544, 97856, 99520, 105640, 109472, 116204, 118180, 122320, 129998, 136840, 145255, 169024, 172916, 189088, 211280, 216145, 218944, 232408, 236360, 244640, 259996, 273680, 290510, 324995, 345832, 378176, 422560, 432290, 464816, 472720, 475519, 489280, 519992, 547360, 581020, 649990, 691664, 821351, 845120, 864580, 929632, 945440, 951038, 1039984, 1094720, 1162040, 1299980, 1383328, 1642702, 1729160, 1859264, 1890880, 1902076, 2079968, 2324080, 2377595, 2599960, 2766656, 3285404, 3458320, 3804152, 4106755, 4159936, 4648160, 4755190, 5199920, 6570808, 6916640, 7608304, 8213510, 9034861, 9296320, 9510380, 10399840, 13141616, 13833280, 15216608, 16427020, 18069722, 19020760, 20799680, 26283232, 30433216, 32854040, 36139444, 38041520, 45174305, 52566464, 65708080, 72278888, 76083040, 90348610, 131416160, 144557776, 152166080, 180697220, 262832320, 289115552, 361394440, 578231104, 722788880, 1445577760, 2891155520]

約数ペア:

[(1, 2891155520), (2, 1445577760), (4, 722788880), (5, 578231104), (8, 361394440), (10, 289115552), (11, 262832320), (16, 180697220), (19, 152166080), (20, 144557776), (22, 131416160), (32, 90348610), (38, 76083040), (40, 72278888), (44, 65708080), (55, 52566464), (64, 45174305), (76, 38041520), (80, 36139444), (88, 32854040), (95, 30433216), (110, 26283232), (139, 20799680), (152, 19020760), (160, 18069722), (176, 16427020), (190, 15216608), (209, 13833280), (220, 13141616), (278, 10399840), (304, 9510380), (311, 9296320), (320, 9034861), (352, 8213510), (380, 7608304), (418, 6916640), (440, 6570808), (556, 5199920), (608, 4755190), (622, 4648160), (695, 4159936), (704, 4106755), (760, 3804152), (836, 3458320), (880, 3285404), (1045, 2766656), (1112, 2599960), (1216, 2377595), (1244, 2324080), (1390, 2079968), (1520, 1902076), (1529, 1890880), (1555, 1859264), (1672, 1729160), (1760, 1642702), (2090, 1383328), (2224, 1299980), (2488, 1162040), (2641, 1094720), (2780, 1039984), (3040, 951038), (3058, 945440), (3110, 929632), (3344, 864580), (3421, 845120), (3520, 821351), (4180, 691664), (4448, 649990), (4976, 581020), (5282, 547360), (5560, 519992), (5909, 489280), (6080, 475519), (6116, 472720), (6220, 464816), (6688, 432290), (6842, 422560), (7645, 378176), (8360, 345832), (8896, 324995), (9952, 290510), (10564, 273680), (11120, 259996), (11818, 244640), (12232, 236360), (12440, 232408), (13205, 218944), (13376, 216145), (13684, 211280), (15290, 189088), (16720, 172916), (17105, 169024), (19904, 145255), (21128, 136840), (22240, 129998), (23636, 122320), (24464, 118180), (24880, 116204), (26410, 109472), (27368, 105640), (29051, 99520), (29545, 97856), (30580, 94544), (33440, 86458), (34210, 84512), (42256, 68420), (43229, 66880), (44480, 64999), (47272, 61160), (48928, 59090), (49760, 58102), (52820, 54736)]