2990960

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{109}}^1$

素因数の和:143

約数の個数: 80

約数和(自身を含む): 8184000

約数和(自身を除く): 5193040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 109, 112, 140, 196, 218, 245, 280, 343, 392, 436, 490, 545, 560, 686, 763, 784, 872, 980, 1090, 1372, 1526, 1715, 1744, 1960, 2180, 2744, 3052, 3430, 3815, 3920, 4360, 5341, 5488, 6104, 6860, 7630, 8720, 10682, 12208, 13720, 15260, 21364, 26705, 27440, 30520, 37387, 42728, 53410, 61040, 74774, 85456, 106820, 149548, 186935, 213640, 299096, 373870, 427280, 598192, 747740, 1495480, 2990960]

約数ペア:

[(1, 2990960), (2, 1495480), (4, 747740), (5, 598192), (7, 427280), (8, 373870), (10, 299096), (14, 213640), (16, 186935), (20, 149548), (28, 106820), (35, 85456), (40, 74774), (49, 61040), (56, 53410), (70, 42728), (80, 37387), (98, 30520), (109, 27440), (112, 26705), (140, 21364), (196, 15260), (218, 13720), (245, 12208), (280, 10682), (343, 8720), (392, 7630), (436, 6860), (490, 6104), (545, 5488), (560, 5341), (686, 4360), (763, 3920), (784, 3815), (872, 3430), (980, 3052), (1090, 2744), (1372, 2180), (1526, 1960), (1715, 1744)]