681680508740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{442649681}}^1$

素因数の和:442649708

約数の個数: 48

約数和(自身を含む): 1784763517824

約数和(自身を除く): 1103083009084

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 442649681, 885299362, 1770598724, 2213248405, 3098547767, 4426496810, 4869146491, 6197095534, 8852993620, 9738292982, 12394191068, 15492738835, 19476585964, 24345732455, 30985477670, 34084025437, 48691464910, 61970955340, 68168050874, 97382929820, 136336101748, 170420127185, 340840254370, 681680508740]

約数ペア:

[(1, 681680508740), (2, 340840254370), (4, 170420127185), (5, 136336101748), (7, 97382929820), (10, 68168050874), (11, 61970955340), (14, 48691464910), (20, 34084025437), (22, 30985477670), (28, 24345732455), (35, 19476585964), (44, 15492738835), (55, 12394191068), (70, 9738292982), (77, 8852993620), (110, 6197095534), (140, 4869146491), (154, 4426496810), (220, 3098547767), (308, 2213248405), (385, 1770598724), (770, 885299362), (1540, 442649681)]