489356728

素因数分解:

$2^3\times 7^3\times {\mathrm{139}}^1\times {\mathrm{1283}}^1$

素因数の和:1449

約数の個数: 64

約数和(自身を含む): 1078560000

約数和(自身を除く): 589203272

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 139, 196, 278, 343, 392, 556, 686, 973, 1112, 1283, 1372, 1946, 2566, 2744, 3892, 5132, 6811, 7784, 8981, 10264, 13622, 17962, 27244, 35924, 47677, 54488, 62867, 71848, 95354, 125734, 178337, 190708, 251468, 356674, 381416, 440069, 502936, 713348, 880138, 1248359, 1426696, 1760276, 2496718, 3520552, 4993436, 8738513, 9986872, 17477026, 34954052, 61169591, 69908104, 122339182, 244678364, 489356728]

約数ペア:

[(1, 489356728), (2, 244678364), (4, 122339182), (7, 69908104), (8, 61169591), (14, 34954052), (28, 17477026), (49, 9986872), (56, 8738513), (98, 4993436), (139, 3520552), (196, 2496718), (278, 1760276), (343, 1426696), (392, 1248359), (556, 880138), (686, 713348), (973, 502936), (1112, 440069), (1283, 381416), (1372, 356674), (1946, 251468), (2566, 190708), (2744, 178337), (3892, 125734), (5132, 95354), (6811, 71848), (7784, 62867), (8981, 54488), (10264, 47677), (13622, 35924), (17962, 27244)]