65560550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{599}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 133920000

約数和(自身を除く): 68359450

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 199, 275, 398, 550, 599, 995, 1198, 1990, 2189, 2995, 4378, 4975, 5990, 6589, 9950, 10945, 13178, 14975, 21890, 29950, 32945, 54725, 65890, 109450, 119201, 164725, 238402, 329450, 596005, 1192010, 1311211, 2622422, 2980025, 5960050, 6556055, 13112110, 32780275, 65560550]

約数ペア:

[(1, 65560550), (2, 32780275), (5, 13112110), (10, 6556055), (11, 5960050), (22, 2980025), (25, 2622422), (50, 1311211), (55, 1192010), (110, 596005), (199, 329450), (275, 238402), (398, 164725), (550, 119201), (599, 109450), (995, 65890), (1198, 54725), (1990, 32945), (2189, 29950), (2995, 21890), (4378, 14975), (4975, 13178), (5990, 10945), (6589, 9950)]