54943900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 131241600

約数和(自身を除く): 76297700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 199, 220, 251, 275, 398, 502, 550, 796, 995, 1004, 1100, 1255, 1990, 2189, 2510, 2761, 3980, 4378, 4975, 5020, 5522, 6275, 8756, 9950, 10945, 11044, 12550, 13805, 19900, 21890, 25100, 27610, 43780, 49949, 54725, 55220, 69025, 99898, 109450, 138050, 199796, 218900, 249745, 276100, 499490, 549439, 998980, 1098878, 1248725, 2197756, 2497450, 2747195, 4994900, 5494390, 10988780, 13735975, 27471950, 54943900]

約数ペア:

[(1, 54943900), (2, 27471950), (4, 13735975), (5, 10988780), (10, 5494390), (11, 4994900), (20, 2747195), (22, 2497450), (25, 2197756), (44, 1248725), (50, 1098878), (55, 998980), (100, 549439), (110, 499490), (199, 276100), (220, 249745), (251, 218900), (275, 199796), (398, 138050), (502, 109450), (550, 99898), (796, 69025), (995, 55220), (1004, 54725), (1100, 49949), (1255, 43780), (1990, 27610), (2189, 25100), (2510, 21890), (2761, 19900), (3980, 13805), (4378, 12550), (4975, 11044), (5020, 10945), (5522, 9950), (6275, 8756)]