19439014400

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{593}}^1$

素因数の和:831

約数の個数: 240

約数和(自身を含む): 52217610984

約数和(自身を除く): 32778596584

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 197, 200, 208, 256, 260, 320, 325, 394, 400, 416, 512, 520, 593, 640, 650, 788, 800, 832, 985, 1040, 1186, 1280, 1300, 1576, 1600, 1664, 1970, 2080, 2372, 2560, 2561, 2600, 2965, 3152, 3200, 3328, 3940, 4160, 4744, 4925, 5122, 5200, 5930, 6304, 6400, 6656, 7709, 7880, 8320, 9488, 9850, 10244, 10400, 11860, 12608, 12800, 12805, 14825, 15418, 15760, 16640, 18976, 19700, 20488, 20800, 23720, 25216, 25610, 29650, 30836, 31520, 33280, 37952, 38545, 39400, 40976, 41600, 47440, 50432, 51220, 59300, 61672, 63040, 64025, 75904, 77090, 78800, 81952, 83200, 94880, 100864, 102440, 116821, 118600, 123344, 126080, 128050, 151808, 154180, 157600, 163904, 166400, 189760, 192725, 204880, 233642, 237200, 246688, 252160, 256100, 303616, 308360, 315200, 327808, 379520, 385450, 409760, 467284, 474400, 493376, 504320, 512200, 584105, 616720, 630400, 655616, 759040, 770900, 819520, 934568, 948800, 986752, 1024400, 1168210, 1233440, 1260800, 1311232, 1518080, 1518673, 1541800, 1639040, 1869136, 1897600, 1973504, 2048800, 2336420, 2466880, 2521600, 2920525, 3037346, 3083600, 3278080, 3738272, 3795200, 3947008, 4097600, 4672840, 4933760, 5841050, 6074692, 6167200, 6556160, 7476544, 7590400, 7593365, 8195200, 9345680, 9867520, 11682100, 12149384, 12334400, 14953088, 15186730, 16390400, 18691360, 19735040, 23364200, 24298768, 24668800, 29906176, 30373460, 32780800, 37382720, 37966825, 46728400, 48597536, 49337600, 59812352, 60746920, 74765440, 75933650, 93456800, 97195072, 98675200, 121493840, 149530880, 151867300, 186913600, 194390144, 242987680, 299061760, 303734600, 373827200, 388780288, 485975360, 607469200, 747654400, 777560576, 971950720, 1214938400, 1495308800, 1943901440, 2429876800, 3887802880, 4859753600, 9719507200, 19439014400]

約数ペア:

[(1, 19439014400), (2, 9719507200), (4, 4859753600), (5, 3887802880), (8, 2429876800), (10, 1943901440), (13, 1495308800), (16, 1214938400), (20, 971950720), (25, 777560576), (26, 747654400), (32, 607469200), (40, 485975360), (50, 388780288), (52, 373827200), (64, 303734600), (65, 299061760), (80, 242987680), (100, 194390144), (104, 186913600), (128, 151867300), (130, 149530880), (160, 121493840), (197, 98675200), (200, 97195072), (208, 93456800), (256, 75933650), (260, 74765440), (320, 60746920), (325, 59812352), (394, 49337600), (400, 48597536), (416, 46728400), (512, 37966825), (520, 37382720), (593, 32780800), (640, 30373460), (650, 29906176), (788, 24668800), (800, 24298768), (832, 23364200), (985, 19735040), (1040, 18691360), (1186, 16390400), (1280, 15186730), (1300, 14953088), (1576, 12334400), (1600, 12149384), (1664, 11682100), (1970, 9867520), (2080, 9345680), (2372, 8195200), (2560, 7593365), (2561, 7590400), (2600, 7476544), (2965, 6556160), (3152, 6167200), (3200, 6074692), (3328, 5841050), (3940, 4933760), (4160, 4672840), (4744, 4097600), (4925, 3947008), (5122, 3795200), (5200, 3738272), (5930, 3278080), (6304, 3083600), (6400, 3037346), (6656, 2920525), (7709, 2521600), (7880, 2466880), (8320, 2336420), (9488, 2048800), (9850, 1973504), (10244, 1897600), (10400, 1869136), (11860, 1639040), (12608, 1541800), (12800, 1518673), (12805, 1518080), (14825, 1311232), (15418, 1260800), (15760, 1233440), (16640, 1168210), (18976, 1024400), (19700, 986752), (20488, 948800), (20800, 934568), (23720, 819520), (25216, 770900), (25610, 759040), (29650, 655616), (30836, 630400), (31520, 616720), (33280, 584105), (37952, 512200), (38545, 504320), (39400, 493376), (40976, 474400), (41600, 467284), (47440, 409760), (50432, 385450), (51220, 379520), (59300, 327808), (61672, 315200), (63040, 308360), (64025, 303616), (75904, 256100), (77090, 252160), (78800, 246688), (81952, 237200), (83200, 233642), (94880, 204880), (100864, 192725), (102440, 189760), (116821, 166400), (118600, 163904), (123344, 157600), (126080, 154180), (128050, 151808)]