680304752

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{390083}}^1$

素因数の和:390200

約数の個数: 20

約数和(自身を含む): 1330186440

約数和(自身を除く): 649881688

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 390083, 780166, 1560332, 3120664, 6241328, 42519047, 85038094, 170076188, 340152376, 680304752]

約数ペア:

[(1, 680304752), (2, 340152376), (4, 170076188), (8, 85038094), (16, 42519047), (109, 6241328), (218, 3120664), (436, 1560332), (872, 780166), (1744, 390083)]