248823540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{197479}}^1$

素因数の和:197501

約数の個数: 72

約数和(自身を含む): 862592640

約数和(自身を除く): 613769100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 197479, 394958, 592437, 789916, 987395, 1184874, 1382353, 1777311, 1974790, 2369748, 2764706, 2962185, 3554622, 3949580, 4147059, 5529412, 5924370, 6911765, 7109244, 8294118, 8886555, 11848740, 12441177, 13823530, 16588236, 17773110, 20735295, 24882354, 27647060, 35546220, 41470590, 49764708, 62205885, 82941180, 124411770, 248823540]

約数ペア:

[(1, 248823540), (2, 124411770), (3, 82941180), (4, 62205885), (5, 49764708), (6, 41470590), (7, 35546220), (9, 27647060), (10, 24882354), (12, 20735295), (14, 17773110), (15, 16588236), (18, 13823530), (20, 12441177), (21, 11848740), (28, 8886555), (30, 8294118), (35, 7109244), (36, 6911765), (42, 5924370), (45, 5529412), (60, 4147059), (63, 3949580), (70, 3554622), (84, 2962185), (90, 2764706), (105, 2369748), (126, 1974790), (140, 1777311), (180, 1382353), (210, 1184874), (252, 987395), (315, 789916), (420, 592437), (630, 394958), (1260, 197479)]