27806270

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 51192000

約数和(自身を除く): 23385730

約数列:

[1, 2, 5, 10, 89, 157, 178, 199, 314, 398, 445, 785, 890, 995, 1570, 1990, 13973, 17711, 27946, 31243, 35422, 62486, 69865, 88555, 139730, 156215, 177110, 312430, 2780627, 5561254, 13903135, 27806270]

約数ペア:

[(1, 27806270), (2, 13903135), (5, 5561254), (10, 2780627), (89, 312430), (157, 177110), (178, 156215), (199, 139730), (314, 88555), (398, 69865), (445, 62486), (785, 35422), (890, 31243), (995, 27946), (1570, 17711), (1990, 13973)]