397060400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 240

約数和(自身を含む): 1115928576

約数和(自身を除く): 718868176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 40, 41, 44, 50, 55, 62, 71, 80, 82, 88, 100, 110, 124, 142, 155, 164, 176, 200, 205, 220, 248, 275, 284, 310, 328, 341, 355, 400, 410, 440, 451, 496, 550, 568, 620, 656, 682, 710, 775, 781, 820, 880, 902, 1025, 1100, 1136, 1240, 1271, 1364, 1420, 1550, 1562, 1640, 1705, 1775, 1804, 2050, 2200, 2201, 2255, 2480, 2542, 2728, 2840, 2911, 3100, 3124, 3280, 3410, 3550, 3608, 3905, 4100, 4400, 4402, 4510, 5084, 5456, 5680, 5822, 6200, 6248, 6355, 6820, 7100, 7216, 7810, 8200, 8525, 8804, 9020, 10168, 11005, 11275, 11644, 12400, 12496, 12710, 13640, 13981, 14200, 14555, 15620, 16400, 17050, 17608, 18040, 19525, 20336, 22010, 22550, 23288, 24211, 25420, 27280, 27962, 28400, 29110, 31240, 31775, 32021, 34100, 35216, 36080, 39050, 44020, 45100, 46576, 48422, 50840, 55025, 55924, 58220, 62480, 63550, 64042, 68200, 69905, 72775, 78100, 88040, 90200, 90241, 96844, 101680, 110050, 111848, 116440, 121055, 127100, 128084, 136400, 139810, 145550, 156200, 160105, 176080, 180400, 180482, 193688, 220100, 223696, 232880, 242110, 254200, 256168, 279620, 291100, 312400, 320210, 349525, 360964, 387376, 440200, 451205, 484220, 508400, 512336, 559240, 582200, 605275, 640420, 699050, 721928, 800525, 880400, 902410, 968440, 992651, 1118480, 1164400, 1210550, 1280840, 1398100, 1443856, 1601050, 1804820, 1936880, 1985302, 2256025, 2421100, 2561680, 2796200, 3202100, 3609640, 3970604, 4512050, 4842200, 4963255, 5592400, 6404200, 7219280, 7941208, 9024100, 9684400, 9926510, 12808400, 15882416, 18048200, 19853020, 24816275, 36096400, 39706040, 49632550, 79412080, 99265100, 198530200, 397060400]

約数ペア:

[(1, 397060400), (2, 198530200), (4, 99265100), (5, 79412080), (8, 49632550), (10, 39706040), (11, 36096400), (16, 24816275), (20, 19853020), (22, 18048200), (25, 15882416), (31, 12808400), (40, 9926510), (41, 9684400), (44, 9024100), (50, 7941208), (55, 7219280), (62, 6404200), (71, 5592400), (80, 4963255), (82, 4842200), (88, 4512050), (100, 3970604), (110, 3609640), (124, 3202100), (142, 2796200), (155, 2561680), (164, 2421100), (176, 2256025), (200, 1985302), (205, 1936880), (220, 1804820), (248, 1601050), (275, 1443856), (284, 1398100), (310, 1280840), (328, 1210550), (341, 1164400), (355, 1118480), (400, 992651), (410, 968440), (440, 902410), (451, 880400), (496, 800525), (550, 721928), (568, 699050), (620, 640420), (656, 605275), (682, 582200), (710, 559240), (775, 512336), (781, 508400), (820, 484220), (880, 451205), (902, 440200), (1025, 387376), (1100, 360964), (1136, 349525), (1240, 320210), (1271, 312400), (1364, 291100), (1420, 279620), (1550, 256168), (1562, 254200), (1640, 242110), (1705, 232880), (1775, 223696), (1804, 220100), (2050, 193688), (2200, 180482), (2201, 180400), (2255, 176080), (2480, 160105), (2542, 156200), (2728, 145550), (2840, 139810), (2911, 136400), (3100, 128084), (3124, 127100), (3280, 121055), (3410, 116440), (3550, 111848), (3608, 110050), (3905, 101680), (4100, 96844), (4400, 90241), (4402, 90200), (4510, 88040), (5084, 78100), (5456, 72775), (5680, 69905), (5822, 68200), (6200, 64042), (6248, 63550), (6355, 62480), (6820, 58220), (7100, 55924), (7216, 55025), (7810, 50840), (8200, 48422), (8525, 46576), (8804, 45100), (9020, 44020), (10168, 39050), (11005, 36080), (11275, 35216), (11644, 34100), (12400, 32021), (12496, 31775), (12710, 31240), (13640, 29110), (13981, 28400), (14200, 27962), (14555, 27280), (15620, 25420), (16400, 24211), (17050, 23288), (17608, 22550), (18040, 22010), (19525, 20336)]