697668920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1049}}^1\times {\mathrm{1279}}^1$

素因数の和:2352

約数の個数: 64

約数和(自身を含む): 1693440000

約数和(自身を除く): 995771080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1049, 1279, 2098, 2558, 4196, 5116, 5245, 6395, 8392, 10232, 10490, 12790, 13637, 16627, 20980, 25580, 27274, 33254, 41960, 51160, 54548, 66508, 68185, 83135, 109096, 133016, 136370, 166270, 272740, 332540, 545480, 665080, 1341671, 2683342, 5366684, 6708355, 10733368, 13416710, 17441723, 26833420, 34883446, 53666840, 69766892, 87208615, 139533784, 174417230, 348834460, 697668920]

約数ペア:

[(1, 697668920), (2, 348834460), (4, 174417230), (5, 139533784), (8, 87208615), (10, 69766892), (13, 53666840), (20, 34883446), (26, 26833420), (40, 17441723), (52, 13416710), (65, 10733368), (104, 6708355), (130, 5366684), (260, 2683342), (520, 1341671), (1049, 665080), (1279, 545480), (2098, 332540), (2558, 272740), (4196, 166270), (5116, 136370), (5245, 133016), (6395, 109096), (8392, 83135), (10232, 68185), (10490, 66508), (12790, 54548), (13637, 51160), (16627, 41960), (20980, 33254), (25580, 27274)]