1821983900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{6599}}^1$

素因数の和:6875

約数の個数: 72

約数和(自身を含む): 4330972800

約数和(自身を除く): 2508988900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 251, 275, 502, 550, 1004, 1100, 1255, 2510, 2761, 5020, 5522, 6275, 6599, 11044, 12550, 13198, 13805, 25100, 26396, 27610, 32995, 55220, 65990, 69025, 72589, 131980, 138050, 145178, 164975, 276100, 290356, 329950, 362945, 659900, 725890, 1451780, 1656349, 1814725, 3312698, 3629450, 6625396, 7258900, 8281745, 16563490, 18219839, 33126980, 36439678, 41408725, 72879356, 82817450, 91099195, 165634900, 182198390, 364396780, 455495975, 910991950, 1821983900]

約数ペア:

[(1, 1821983900), (2, 910991950), (4, 455495975), (5, 364396780), (10, 182198390), (11, 165634900), (20, 91099195), (22, 82817450), (25, 72879356), (44, 41408725), (50, 36439678), (55, 33126980), (100, 18219839), (110, 16563490), (220, 8281745), (251, 7258900), (275, 6625396), (502, 3629450), (550, 3312698), (1004, 1814725), (1100, 1656349), (1255, 1451780), (2510, 725890), (2761, 659900), (5020, 362945), (5522, 329950), (6275, 290356), (6599, 276100), (11044, 164975), (12550, 145178), (13198, 138050), (13805, 131980), (25100, 72589), (26396, 69025), (27610, 65990), (32995, 55220)]