178880416

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 144

約数和(自身を含む): 433859328

約数和(自身を除く): 254978912

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 32, 44, 52, 62, 88, 97, 104, 124, 143, 169, 176, 194, 208, 248, 286, 338, 341, 352, 388, 403, 416, 496, 572, 676, 682, 776, 806, 992, 1067, 1144, 1261, 1352, 1364, 1552, 1612, 1859, 2134, 2288, 2522, 2704, 2728, 3007, 3104, 3224, 3718, 4268, 4433, 4576, 5044, 5239, 5408, 5456, 6014, 6448, 7436, 8536, 8866, 10088, 10478, 10912, 12028, 12896, 13871, 14872, 16393, 17072, 17732, 20176, 20956, 24056, 27742, 29744, 32786, 33077, 34144, 35464, 39091, 40352, 41912, 48112, 55484, 57629, 59488, 65572, 66154, 70928, 78182, 83824, 96224, 110968, 115258, 131144, 132308, 141856, 156364, 167648, 180323, 221936, 230516, 262288, 264616, 312728, 360646, 430001, 443872, 461032, 508183, 524576, 529232, 625456, 721292, 860002, 922064, 1016366, 1058464, 1250912, 1442584, 1720004, 1844128, 2032732, 2885168, 3440008, 4065464, 5590013, 5770336, 6880016, 8130928, 11180026, 13760032, 16261856, 22360052, 44720104, 89440208, 178880416]

約数ペア:

[(1, 178880416), (2, 89440208), (4, 44720104), (8, 22360052), (11, 16261856), (13, 13760032), (16, 11180026), (22, 8130928), (26, 6880016), (31, 5770336), (32, 5590013), (44, 4065464), (52, 3440008), (62, 2885168), (88, 2032732), (97, 1844128), (104, 1720004), (124, 1442584), (143, 1250912), (169, 1058464), (176, 1016366), (194, 922064), (208, 860002), (248, 721292), (286, 625456), (338, 529232), (341, 524576), (352, 508183), (388, 461032), (403, 443872), (416, 430001), (496, 360646), (572, 312728), (676, 264616), (682, 262288), (776, 230516), (806, 221936), (992, 180323), (1067, 167648), (1144, 156364), (1261, 141856), (1352, 132308), (1364, 131144), (1552, 115258), (1612, 110968), (1859, 96224), (2134, 83824), (2288, 78182), (2522, 70928), (2704, 66154), (2728, 65572), (3007, 59488), (3104, 57629), (3224, 55484), (3718, 48112), (4268, 41912), (4433, 40352), (4576, 39091), (5044, 35464), (5239, 34144), (5408, 33077), (5456, 32786), (6014, 29744), (6448, 27742), (7436, 24056), (8536, 20956), (8866, 20176), (10088, 17732), (10478, 17072), (10912, 16393), (12028, 14872), (12896, 13871)]