19390554400

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{6967}}^1$

素因数の和:7072

約数の個数: 216

約数和(自身を含む): 55849300416

約数和(自身を除く): 36458746016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 71, 80, 98, 100, 112, 140, 142, 160, 175, 196, 200, 224, 245, 280, 284, 350, 355, 392, 400, 490, 497, 560, 568, 700, 710, 784, 800, 980, 994, 1120, 1136, 1225, 1400, 1420, 1568, 1775, 1960, 1988, 2272, 2450, 2485, 2800, 2840, 3479, 3550, 3920, 3976, 4900, 4970, 5600, 5680, 6958, 6967, 7100, 7840, 7952, 9800, 9940, 11360, 12425, 13916, 13934, 14200, 15904, 17395, 19600, 19880, 24850, 27832, 27868, 28400, 34790, 34835, 39200, 39760, 48769, 49700, 55664, 55736, 56800, 69580, 69670, 79520, 86975, 97538, 99400, 111328, 111472, 139160, 139340, 173950, 174175, 195076, 198800, 222944, 243845, 278320, 278680, 341383, 347900, 348350, 390152, 397600, 487690, 494657, 556640, 557360, 682766, 695800, 696700, 780304, 975380, 989314, 1114720, 1219225, 1365532, 1391600, 1393400, 1560608, 1706915, 1950760, 1978628, 2438450, 2473285, 2731064, 2783200, 2786800, 3413830, 3462599, 3901520, 3957256, 4876900, 4946570, 5462128, 5573600, 6827660, 6925198, 7803040, 7914512, 8534575, 9753800, 9893140, 10924256, 12366425, 13655320, 13850396, 15829024, 17069150, 17312995, 19507600, 19786280, 24238193, 24732850, 27310640, 27700792, 34138300, 34625990, 39015200, 39572560, 48476386, 49465700, 54621280, 55401584, 68276600, 69251980, 79145120, 86564975, 96952772, 98931400, 110803168, 121190965, 136553200, 138503960, 173129950, 193905544, 197862800, 242381930, 273106400, 277007920, 346259900, 387811088, 395725600, 484763860, 554015840, 605954825, 692519800, 775622176, 969527720, 1211909650, 1385039600, 1939055440, 2423819300, 2770079200, 3878110880, 4847638600, 9695277200, 19390554400]

約数ペア:

[(1, 19390554400), (2, 9695277200), (4, 4847638600), (5, 3878110880), (7, 2770079200), (8, 2423819300), (10, 1939055440), (14, 1385039600), (16, 1211909650), (20, 969527720), (25, 775622176), (28, 692519800), (32, 605954825), (35, 554015840), (40, 484763860), (49, 395725600), (50, 387811088), (56, 346259900), (70, 277007920), (71, 273106400), (80, 242381930), (98, 197862800), (100, 193905544), (112, 173129950), (140, 138503960), (142, 136553200), (160, 121190965), (175, 110803168), (196, 98931400), (200, 96952772), (224, 86564975), (245, 79145120), (280, 69251980), (284, 68276600), (350, 55401584), (355, 54621280), (392, 49465700), (400, 48476386), (490, 39572560), (497, 39015200), (560, 34625990), (568, 34138300), (700, 27700792), (710, 27310640), (784, 24732850), (800, 24238193), (980, 19786280), (994, 19507600), (1120, 17312995), (1136, 17069150), (1225, 15829024), (1400, 13850396), (1420, 13655320), (1568, 12366425), (1775, 10924256), (1960, 9893140), (1988, 9753800), (2272, 8534575), (2450, 7914512), (2485, 7803040), (2800, 6925198), (2840, 6827660), (3479, 5573600), (3550, 5462128), (3920, 4946570), (3976, 4876900), (4900, 3957256), (4970, 3901520), (5600, 3462599), (5680, 3413830), (6958, 2786800), (6967, 2783200), (7100, 2731064), (7840, 2473285), (7952, 2438450), (9800, 1978628), (9940, 1950760), (11360, 1706915), (12425, 1560608), (13916, 1393400), (13934, 1391600), (14200, 1365532), (15904, 1219225), (17395, 1114720), (19600, 989314), (19880, 975380), (24850, 780304), (27832, 696700), (27868, 695800), (28400, 682766), (34790, 557360), (34835, 556640), (39200, 494657), (39760, 487690), (48769, 397600), (49700, 390152), (55664, 348350), (55736, 347900), (56800, 341383), (69580, 278680), (69670, 278320), (79520, 243845), (86975, 222944), (97538, 198800), (99400, 195076), (111328, 174175), (111472, 173950), (139160, 139340)]