390996858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 977633280

約数和(自身を除く): 586636422

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 67, 71, 103, 114, 133, 134, 142, 201, 206, 213, 266, 309, 399, 402, 426, 469, 497, 618, 721, 798, 938, 994, 1273, 1349, 1407, 1442, 1491, 1957, 2163, 2546, 2698, 2814, 2982, 3819, 3914, 4047, 4326, 4757, 5871, 6901, 7313, 7638, 8094, 8911, 9443, 9514, 11742, 13699, 13802, 14271, 14626, 17822, 18886, 20703, 21939, 26733, 27398, 28329, 28542, 33299, 41097, 41406, 43878, 48307, 51191, 53466, 56658, 66598, 82194, 90383, 96614, 99897, 102382, 131119, 138947, 144921, 153573, 180766, 199794, 262238, 271149, 277894, 289842, 307146, 393357, 416841, 489971, 542298, 632681, 786714, 833682, 917833, 972629, 979942, 1265362, 1469913, 1835666, 1898043, 1945258, 2753499, 2917887, 2939826, 3429797, 3796086, 5506998, 5835774, 6859594, 9309449, 10289391, 18618898, 20578782, 27928347, 55856694, 65166143, 130332286, 195498429, 390996858]

約数ペア:

[(1, 390996858), (2, 195498429), (3, 130332286), (6, 65166143), (7, 55856694), (14, 27928347), (19, 20578782), (21, 18618898), (38, 10289391), (42, 9309449), (57, 6859594), (67, 5835774), (71, 5506998), (103, 3796086), (114, 3429797), (133, 2939826), (134, 2917887), (142, 2753499), (201, 1945258), (206, 1898043), (213, 1835666), (266, 1469913), (309, 1265362), (399, 979942), (402, 972629), (426, 917833), (469, 833682), (497, 786714), (618, 632681), (721, 542298), (798, 489971), (938, 416841), (994, 393357), (1273, 307146), (1349, 289842), (1407, 277894), (1442, 271149), (1491, 262238), (1957, 199794), (2163, 180766), (2546, 153573), (2698, 144921), (2814, 138947), (2982, 131119), (3819, 102382), (3914, 99897), (4047, 96614), (4326, 90383), (4757, 82194), (5871, 66598), (6901, 56658), (7313, 53466), (7638, 51191), (8094, 48307), (8911, 43878), (9443, 41406), (9514, 41097), (11742, 33299), (13699, 28542), (13802, 28329), (14271, 27398), (14626, 26733), (17822, 21939), (18886, 20703)]