3951780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^2$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 12777408

約数和(自身を除く): 8825628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 97, 105, 140, 194, 210, 291, 388, 420, 485, 582, 679, 970, 1164, 1358, 1455, 1940, 2037, 2716, 2910, 3395, 4074, 5820, 6790, 8148, 9409, 10185, 13580, 18818, 20370, 28227, 37636, 40740, 47045, 56454, 65863, 94090, 112908, 131726, 141135, 188180, 197589, 263452, 282270, 329315, 395178, 564540, 658630, 790356, 987945, 1317260, 1975890, 3951780]

約数ペア:

[(1, 3951780), (2, 1975890), (3, 1317260), (4, 987945), (5, 790356), (6, 658630), (7, 564540), (10, 395178), (12, 329315), (14, 282270), (15, 263452), (20, 197589), (21, 188180), (28, 141135), (30, 131726), (35, 112908), (42, 94090), (60, 65863), (70, 56454), (84, 47045), (97, 40740), (105, 37636), (140, 28227), (194, 20370), (210, 18818), (291, 13580), (388, 10185), (420, 9409), (485, 8148), (582, 6790), (679, 5820), (970, 4074), (1164, 3395), (1358, 2910), (1455, 2716), (1940, 2037)]