2912192240

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1\times {\mathrm{991}}^1$

素因数の和:1450

約数の個数: 80

約数和(自身を含む): 6860156160

約数和(自身を除く): 3947963920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 337, 436, 545, 674, 872, 991, 1090, 1348, 1685, 1744, 1982, 2180, 2696, 3370, 3964, 4360, 4955, 5392, 6740, 7928, 8720, 9910, 13480, 15856, 19820, 26960, 36733, 39640, 73466, 79280, 108019, 146932, 183665, 216038, 293864, 333967, 367330, 432076, 540095, 587728, 667934, 734660, 864152, 1080190, 1335868, 1469320, 1669835, 1728304, 2160380, 2671736, 2938640, 3339670, 4320760, 5343472, 6679340, 8641520, 13358680, 26717360, 36402403, 72804806, 145609612, 182012015, 291219224, 364024030, 582438448, 728048060, 1456096120, 2912192240]

約数ペア:

[(1, 2912192240), (2, 1456096120), (4, 728048060), (5, 582438448), (8, 364024030), (10, 291219224), (16, 182012015), (20, 145609612), (40, 72804806), (80, 36402403), (109, 26717360), (218, 13358680), (337, 8641520), (436, 6679340), (545, 5343472), (674, 4320760), (872, 3339670), (991, 2938640), (1090, 2671736), (1348, 2160380), (1685, 1728304), (1744, 1669835), (1982, 1469320), (2180, 1335868), (2696, 1080190), (3370, 864152), (3964, 734660), (4360, 667934), (4955, 587728), (5392, 540095), (6740, 432076), (7928, 367330), (8720, 333967), (9910, 293864), (13480, 216038), (15856, 183665), (19820, 146932), (26960, 108019), (36733, 79280), (39640, 73466)]