2017348780820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{21799}}^1\times {\mathrm{42451}}^1$

素因数の和:64368

約数の個数: 48

約数和(自身を含む): 4275595632000

約数和(自身を除く): 2258246851180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 21799, 42451, 43598, 84902, 87196, 108995, 169804, 212255, 217990, 424510, 435980, 849020, 2376091, 4627159, 4752182, 9254318, 9504364, 11880455, 18508636, 23135795, 23760910, 46271590, 47521820, 92543180, 925389349, 1850778698, 3701557396, 4626946745, 9253893490, 18507786980, 100867439041, 201734878082, 403469756164, 504337195205, 1008674390410, 2017348780820]

約数ペア:

[(1, 2017348780820), (2, 1008674390410), (4, 504337195205), (5, 403469756164), (10, 201734878082), (20, 100867439041), (109, 18507786980), (218, 9253893490), (436, 4626946745), (545, 3701557396), (1090, 1850778698), (2180, 925389349), (21799, 92543180), (42451, 47521820), (43598, 46271590), (84902, 23760910), (87196, 23135795), (108995, 18508636), (169804, 11880455), (212255, 9504364), (217990, 9254318), (424510, 4752182), (435980, 4627159), (849020, 2376091)]