254583280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:447

約数の個数: 160

約数和(自身を含む): 724239360

約数和(自身を除く): 469656080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 80, 95, 112, 133, 140, 142, 152, 190, 266, 280, 284, 304, 337, 355, 380, 497, 532, 560, 568, 665, 674, 710, 760, 994, 1064, 1136, 1330, 1348, 1349, 1420, 1520, 1685, 1988, 2128, 2359, 2485, 2660, 2696, 2698, 2840, 3370, 3976, 4718, 4970, 5320, 5392, 5396, 5680, 6403, 6740, 6745, 7952, 9436, 9443, 9940, 10640, 10792, 11795, 12806, 13480, 13490, 18872, 18886, 19880, 21584, 23590, 23927, 25612, 26960, 26980, 32015, 37744, 37772, 39760, 44821, 47180, 47215, 47854, 51224, 53960, 64030, 75544, 89642, 94360, 94430, 95708, 102448, 107920, 119635, 128060, 151088, 167489, 179284, 188720, 188860, 191416, 224105, 239270, 256120, 334978, 358568, 377720, 382832, 448210, 454613, 478540, 512240, 669956, 717136, 755440, 837445, 896420, 909226, 957080, 1339912, 1674890, 1792840, 1818452, 1914160, 2273065, 2679824, 3182291, 3349780, 3585680, 3636904, 4546130, 6364582, 6699560, 7273808, 9092260, 12729164, 13399120, 15911455, 18184520, 25458328, 31822910, 36369040, 50916656, 63645820, 127291640, 254583280]

約数ペア:

[(1, 254583280), (2, 127291640), (4, 63645820), (5, 50916656), (7, 36369040), (8, 31822910), (10, 25458328), (14, 18184520), (16, 15911455), (19, 13399120), (20, 12729164), (28, 9092260), (35, 7273808), (38, 6699560), (40, 6364582), (56, 4546130), (70, 3636904), (71, 3585680), (76, 3349780), (80, 3182291), (95, 2679824), (112, 2273065), (133, 1914160), (140, 1818452), (142, 1792840), (152, 1674890), (190, 1339912), (266, 957080), (280, 909226), (284, 896420), (304, 837445), (337, 755440), (355, 717136), (380, 669956), (497, 512240), (532, 478540), (560, 454613), (568, 448210), (665, 382832), (674, 377720), (710, 358568), (760, 334978), (994, 256120), (1064, 239270), (1136, 224105), (1330, 191416), (1348, 188860), (1349, 188720), (1420, 179284), (1520, 167489), (1685, 151088), (1988, 128060), (2128, 119635), (2359, 107920), (2485, 102448), (2660, 95708), (2696, 94430), (2698, 94360), (2840, 89642), (3370, 75544), (3976, 64030), (4718, 53960), (4970, 51224), (5320, 47854), (5392, 47215), (5396, 47180), (5680, 44821), (6403, 39760), (6740, 37772), (6745, 37744), (7952, 32015), (9436, 26980), (9443, 26960), (9940, 25612), (10640, 23927), (10792, 23590), (11795, 21584), (12806, 19880), (13480, 18886), (13490, 18872)]