205978164

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 597542400

約数和(自身を除く): 391564236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 103, 114, 133, 147, 179, 196, 206, 228, 266, 294, 309, 358, 399, 412, 532, 537, 588, 618, 716, 721, 798, 931, 1074, 1236, 1253, 1442, 1596, 1862, 1957, 2148, 2163, 2506, 2793, 2884, 3401, 3724, 3759, 3914, 4326, 5012, 5047, 5586, 5871, 6802, 7518, 7828, 8652, 8771, 10094, 10203, 11172, 11742, 13604, 13699, 15036, 15141, 17542, 18437, 20188, 20406, 23484, 23807, 26313, 27398, 30282, 35084, 36874, 40812, 41097, 47614, 52626, 54796, 55311, 60564, 71421, 73748, 82194, 95228, 95893, 105252, 110622, 129059, 142842, 164388, 166649, 191786, 221244, 258118, 285684, 287679, 333298, 350303, 383572, 387177, 499947, 516236, 575358, 666596, 700606, 774354, 903413, 999894, 1050909, 1150716, 1401212, 1548708, 1806826, 1999788, 2101818, 2452121, 2710239, 3613652, 4203636, 4904242, 5420478, 7356363, 9808484, 10840956, 14712726, 17164847, 29425452, 34329694, 51494541, 68659388, 102989082, 205978164]

約数ペア:

[(1, 205978164), (2, 102989082), (3, 68659388), (4, 51494541), (6, 34329694), (7, 29425452), (12, 17164847), (14, 14712726), (19, 10840956), (21, 9808484), (28, 7356363), (38, 5420478), (42, 4904242), (49, 4203636), (57, 3613652), (76, 2710239), (84, 2452121), (98, 2101818), (103, 1999788), (114, 1806826), (133, 1548708), (147, 1401212), (179, 1150716), (196, 1050909), (206, 999894), (228, 903413), (266, 774354), (294, 700606), (309, 666596), (358, 575358), (399, 516236), (412, 499947), (532, 387177), (537, 383572), (588, 350303), (618, 333298), (716, 287679), (721, 285684), (798, 258118), (931, 221244), (1074, 191786), (1236, 166649), (1253, 164388), (1442, 142842), (1596, 129059), (1862, 110622), (1957, 105252), (2148, 95893), (2163, 95228), (2506, 82194), (2793, 73748), (2884, 71421), (3401, 60564), (3724, 55311), (3759, 54796), (3914, 52626), (4326, 47614), (5012, 41097), (5047, 40812), (5586, 36874), (5871, 35084), (6802, 30282), (7518, 27398), (7828, 26313), (8652, 23807), (8771, 23484), (10094, 20406), (10203, 20188), (11172, 18437), (11742, 17542), (13604, 15141), (13699, 15036)]