19551430219960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{2551}}^1\times {\mathrm{22619}}^1$

素因数の和:25421

約数の個数: 128

約数和(自身を含む): 45261990259200

約数和(自身を除く): 25710560039240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 197, 215, 344, 394, 430, 788, 860, 985, 1576, 1720, 1970, 2551, 3940, 5102, 7880, 8471, 10204, 12755, 16942, 20408, 22619, 25510, 33884, 42355, 45238, 51020, 67768, 84710, 90476, 102040, 109693, 113095, 169420, 180952, 219386, 226190, 338840, 438772, 452380, 502547, 548465, 877544, 904760, 972617, 1005094, 1096930, 1945234, 2010188, 2193860, 2512735, 3890468, 4020376, 4387720, 4455943, 4863085, 5025470, 7780936, 8911886, 9726170, 10050940, 17823772, 19452340, 20101880, 21609521, 22279715, 35647544, 38904680, 43219042, 44559430, 57701069, 86438084, 89118860, 108047605, 115402138, 172876168, 178237720, 191605549, 216095210, 230804276, 288505345, 383211098, 432190420, 461608552, 577010690, 766422196, 864380840, 958027745, 1154021380, 1532844392, 1916055490, 2308042760, 2481145967, 3832110980, 4962291934, 7664221960, 9924583868, 11367110593, 12405729835, 19849167736, 22734221186, 24811459670, 45468442372, 49622919340, 56835552965, 90936884744, 99245838680, 113671105930, 227342211860, 454684423720, 488785755499, 977571510998, 1955143021996, 2443928777495, 3910286043992, 4887857554990, 9775715109980, 19551430219960]

約数ペア:

[(1, 19551430219960), (2, 9775715109980), (4, 4887857554990), (5, 3910286043992), (8, 2443928777495), (10, 1955143021996), (20, 977571510998), (40, 488785755499), (43, 454684423720), (86, 227342211860), (172, 113671105930), (197, 99245838680), (215, 90936884744), (344, 56835552965), (394, 49622919340), (430, 45468442372), (788, 24811459670), (860, 22734221186), (985, 19849167736), (1576, 12405729835), (1720, 11367110593), (1970, 9924583868), (2551, 7664221960), (3940, 4962291934), (5102, 3832110980), (7880, 2481145967), (8471, 2308042760), (10204, 1916055490), (12755, 1532844392), (16942, 1154021380), (20408, 958027745), (22619, 864380840), (25510, 766422196), (33884, 577010690), (42355, 461608552), (45238, 432190420), (51020, 383211098), (67768, 288505345), (84710, 230804276), (90476, 216095210), (102040, 191605549), (109693, 178237720), (113095, 172876168), (169420, 115402138), (180952, 108047605), (219386, 89118860), (226190, 86438084), (338840, 57701069), (438772, 44559430), (452380, 43219042), (502547, 38904680), (548465, 35647544), (877544, 22279715), (904760, 21609521), (972617, 20101880), (1005094, 19452340), (1096930, 17823772), (1945234, 10050940), (2010188, 9726170), (2193860, 8911886), (2512735, 7780936), (3890468, 5025470), (4020376, 4863085), (4387720, 4455943)]