820803368

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{811}}^1$

素因数の和:919

約数の個数: 128

約数和(自身を含む): 2020515840

約数和(自身を除く): 1199712472

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 53, 56, 62, 77, 88, 106, 124, 154, 212, 217, 248, 308, 341, 371, 424, 434, 583, 616, 682, 742, 811, 868, 1166, 1364, 1484, 1622, 1643, 1736, 2332, 2387, 2728, 2968, 3244, 3286, 4081, 4664, 4774, 5677, 6488, 6572, 8162, 8921, 9548, 11354, 11501, 13144, 16324, 17842, 18073, 19096, 22708, 23002, 25141, 32648, 35684, 36146, 42983, 45416, 46004, 50282, 62447, 71368, 72292, 85966, 92008, 100564, 124894, 126511, 144584, 171932, 175987, 201128, 249788, 253022, 276551, 300881, 343864, 351974, 472813, 499576, 506044, 553102, 601762, 703948, 945626, 1012088, 1106204, 1203524, 1332473, 1407896, 1891252, 1935857, 2212408, 2407048, 2664946, 3309691, 3782504, 3871714, 5329892, 6619382, 7743428, 9327311, 10659784, 13238764, 14657203, 15486856, 18654622, 26477528, 29314406, 37309244, 58628812, 74618488, 102600421, 117257624, 205200842, 410401684, 820803368]

約数ペア:

[(1, 820803368), (2, 410401684), (4, 205200842), (7, 117257624), (8, 102600421), (11, 74618488), (14, 58628812), (22, 37309244), (28, 29314406), (31, 26477528), (44, 18654622), (53, 15486856), (56, 14657203), (62, 13238764), (77, 10659784), (88, 9327311), (106, 7743428), (124, 6619382), (154, 5329892), (212, 3871714), (217, 3782504), (248, 3309691), (308, 2664946), (341, 2407048), (371, 2212408), (424, 1935857), (434, 1891252), (583, 1407896), (616, 1332473), (682, 1203524), (742, 1106204), (811, 1012088), (868, 945626), (1166, 703948), (1364, 601762), (1484, 553102), (1622, 506044), (1643, 499576), (1736, 472813), (2332, 351974), (2387, 343864), (2728, 300881), (2968, 276551), (3244, 253022), (3286, 249788), (4081, 201128), (4664, 175987), (4774, 171932), (5677, 144584), (6488, 126511), (6572, 124894), (8162, 100564), (8921, 92008), (9548, 85966), (11354, 72292), (11501, 71368), (13144, 62447), (16324, 50282), (17842, 46004), (18073, 45416), (19096, 42983), (22708, 36146), (23002, 35684), (25141, 32648)]