248855292

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1979}}^1$

素因数の和:2495

約数の個数: 72

約数和(自身を含む): 720720000

約数和(自身を除く): 471864708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 499, 998, 1497, 1979, 1996, 2994, 3493, 3958, 4491, 5937, 5988, 6986, 7916, 8982, 10479, 11874, 13853, 13972, 17811, 17964, 20958, 23748, 27706, 31437, 35622, 41559, 41916, 55412, 62874, 71244, 83118, 124677, 125748, 166236, 249354, 498708, 987521, 1975042, 2962563, 3950084, 5925126, 6912647, 8887689, 11850252, 13825294, 17775378, 20737941, 27650588, 35550756, 41475882, 62213823, 82951764, 124427646, 248855292]

約数ペア:

[(1, 248855292), (2, 124427646), (3, 82951764), (4, 62213823), (6, 41475882), (7, 35550756), (9, 27650588), (12, 20737941), (14, 17775378), (18, 13825294), (21, 11850252), (28, 8887689), (36, 6912647), (42, 5925126), (63, 3950084), (84, 2962563), (126, 1975042), (252, 987521), (499, 498708), (998, 249354), (1497, 166236), (1979, 125748), (1996, 124677), (2994, 83118), (3493, 71244), (3958, 62874), (4491, 55412), (5937, 41916), (5988, 41559), (6986, 35622), (7916, 31437), (8982, 27706), (10479, 23748), (11874, 20958), (13853, 17964), (13972, 17811)]