2938640

素因数分解:

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

素因数の和:459

約数の個数: 40

約数和(自身を含む): 6915480

約数和(自身を除く): 3976840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 337, 436, 545, 674, 872, 1090, 1348, 1685, 1744, 2180, 2696, 3370, 4360, 5392, 6740, 8720, 13480, 26960, 36733, 73466, 146932, 183665, 293864, 367330, 587728, 734660, 1469320, 2938640]

約数ペア:

[(1, 2938640), (2, 1469320), (4, 734660), (5, 587728), (8, 367330), (10, 293864), (16, 183665), (20, 146932), (40, 73466), (80, 36733), (109, 26960), (218, 13480), (337, 8720), (436, 6740), (545, 5392), (674, 4360), (872, 3370), (1090, 2696), (1348, 2180), (1685, 1744)]