277942280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 256

約数和(自身を含む): 836075520

約数和(自身を除く): 558133240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 41, 44, 55, 56, 62, 70, 71, 77, 82, 88, 110, 124, 140, 142, 154, 155, 164, 205, 217, 220, 248, 280, 284, 287, 308, 310, 328, 341, 355, 385, 410, 434, 440, 451, 497, 568, 574, 616, 620, 682, 710, 770, 781, 820, 868, 902, 994, 1085, 1148, 1240, 1271, 1364, 1420, 1435, 1540, 1562, 1640, 1705, 1736, 1804, 1988, 2170, 2201, 2255, 2296, 2387, 2485, 2542, 2728, 2840, 2870, 2911, 3080, 3124, 3157, 3410, 3608, 3905, 3976, 4340, 4402, 4510, 4774, 4970, 5084, 5467, 5740, 5822, 6248, 6314, 6355, 6820, 7810, 8680, 8804, 8897, 9020, 9548, 9940, 10168, 10934, 11005, 11480, 11644, 11935, 12628, 12710, 13640, 13981, 14555, 15407, 15620, 15785, 17608, 17794, 18040, 19096, 19880, 20377, 21868, 22010, 23288, 23870, 24211, 25256, 25420, 27335, 27962, 29110, 30814, 31240, 31570, 32021, 35588, 40754, 43736, 44020, 44485, 47740, 48422, 50840, 54670, 55924, 58220, 61628, 63140, 64042, 69905, 71176, 77035, 81508, 88040, 88970, 90241, 95480, 96844, 97867, 101885, 109340, 111848, 116440, 121055, 123256, 126280, 128084, 139810, 154070, 160105, 163016, 169477, 177940, 180482, 193688, 195734, 203770, 218680, 224147, 242110, 256168, 279620, 308140, 320210, 338954, 355880, 360964, 391468, 407540, 448294, 451205, 484220, 489335, 559240, 616280, 631687, 640420, 677908, 721928, 782936, 815080, 847385, 896588, 902410, 968440, 978670, 992651, 1120735, 1263374, 1280840, 1355816, 1694770, 1793176, 1804820, 1957340, 1985302, 2241470, 2526748, 3158435, 3389540, 3609640, 3914680, 3970604, 4482940, 4963255, 5053496, 6316870, 6779080, 6948557, 7941208, 8965880, 9926510, 12633740, 13897114, 19853020, 25267480, 27794228, 34742785, 39706040, 55588456, 69485570, 138971140, 277942280]

約数ペア:

[(1, 277942280), (2, 138971140), (4, 69485570), (5, 55588456), (7, 39706040), (8, 34742785), (10, 27794228), (11, 25267480), (14, 19853020), (20, 13897114), (22, 12633740), (28, 9926510), (31, 8965880), (35, 7941208), (40, 6948557), (41, 6779080), (44, 6316870), (55, 5053496), (56, 4963255), (62, 4482940), (70, 3970604), (71, 3914680), (77, 3609640), (82, 3389540), (88, 3158435), (110, 2526748), (124, 2241470), (140, 1985302), (142, 1957340), (154, 1804820), (155, 1793176), (164, 1694770), (205, 1355816), (217, 1280840), (220, 1263374), (248, 1120735), (280, 992651), (284, 978670), (287, 968440), (308, 902410), (310, 896588), (328, 847385), (341, 815080), (355, 782936), (385, 721928), (410, 677908), (434, 640420), (440, 631687), (451, 616280), (497, 559240), (568, 489335), (574, 484220), (616, 451205), (620, 448294), (682, 407540), (710, 391468), (770, 360964), (781, 355880), (820, 338954), (868, 320210), (902, 308140), (994, 279620), (1085, 256168), (1148, 242110), (1240, 224147), (1271, 218680), (1364, 203770), (1420, 195734), (1435, 193688), (1540, 180482), (1562, 177940), (1640, 169477), (1705, 163016), (1736, 160105), (1804, 154070), (1988, 139810), (2170, 128084), (2201, 126280), (2255, 123256), (2296, 121055), (2387, 116440), (2485, 111848), (2542, 109340), (2728, 101885), (2840, 97867), (2870, 96844), (2911, 95480), (3080, 90241), (3124, 88970), (3157, 88040), (3410, 81508), (3608, 77035), (3905, 71176), (3976, 69905), (4340, 64042), (4402, 63140), (4510, 61628), (4774, 58220), (4970, 55924), (5084, 54670), (5467, 50840), (5740, 48422), (5822, 47740), (6248, 44485), (6314, 44020), (6355, 43736), (6820, 40754), (7810, 35588), (8680, 32021), (8804, 31570), (8897, 31240), (9020, 30814), (9548, 29110), (9940, 27962), (10168, 27335), (10934, 25420), (11005, 25256), (11480, 24211), (11644, 23870), (11935, 23288), (12628, 22010), (12710, 21868), (13640, 20377), (13981, 19880), (14555, 19096), (15407, 18040), (15620, 17794), (15785, 17608)]