280881328

素因数分解:

$2^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:200

約数の個数: 160

約数和(自身を含む): 711065600

約数和(自身を除く): 430184272

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 49, 52, 56, 62, 91, 98, 104, 112, 124, 127, 182, 196, 208, 217, 248, 254, 343, 364, 392, 403, 434, 496, 508, 637, 686, 728, 784, 806, 868, 889, 1016, 1274, 1372, 1456, 1519, 1612, 1651, 1736, 1778, 2032, 2548, 2744, 2821, 3038, 3224, 3302, 3472, 3556, 3937, 4459, 5096, 5488, 5642, 6076, 6223, 6448, 6604, 7112, 7874, 8918, 10192, 10633, 11284, 11557, 12152, 12446, 13208, 14224, 15748, 17836, 19747, 21266, 22568, 23114, 24304, 24892, 26416, 27559, 31496, 35672, 39494, 42532, 43561, 45136, 46228, 49784, 51181, 55118, 62992, 71344, 78988, 80899, 85064, 87122, 92456, 99568, 102362, 110236, 138229, 157976, 161798, 170128, 174244, 184912, 192913, 204724, 220472, 276458, 315952, 323596, 348488, 358267, 385826, 409448, 440944, 552916, 566293, 647192, 696976, 716534, 771652, 818896, 1105832, 1132586, 1294384, 1350391, 1433068, 1543304, 2211664, 2265172, 2507869, 2700782, 2866136, 3086608, 4530344, 5015738, 5401564, 5732272, 9060688, 10031476, 10803128, 17555083, 20062952, 21606256, 35110166, 40125904, 70220332, 140440664, 280881328]

約数ペア:

[(1, 280881328), (2, 140440664), (4, 70220332), (7, 40125904), (8, 35110166), (13, 21606256), (14, 20062952), (16, 17555083), (26, 10803128), (28, 10031476), (31, 9060688), (49, 5732272), (52, 5401564), (56, 5015738), (62, 4530344), (91, 3086608), (98, 2866136), (104, 2700782), (112, 2507869), (124, 2265172), (127, 2211664), (182, 1543304), (196, 1433068), (208, 1350391), (217, 1294384), (248, 1132586), (254, 1105832), (343, 818896), (364, 771652), (392, 716534), (403, 696976), (434, 647192), (496, 566293), (508, 552916), (637, 440944), (686, 409448), (728, 385826), (784, 358267), (806, 348488), (868, 323596), (889, 315952), (1016, 276458), (1274, 220472), (1372, 204724), (1456, 192913), (1519, 184912), (1612, 174244), (1651, 170128), (1736, 161798), (1778, 157976), (2032, 138229), (2548, 110236), (2744, 102362), (2821, 99568), (3038, 92456), (3224, 87122), (3302, 85064), (3472, 80899), (3556, 78988), (3937, 71344), (4459, 62992), (5096, 55118), (5488, 51181), (5642, 49784), (6076, 46228), (6223, 45136), (6448, 43561), (6604, 42532), (7112, 39494), (7874, 35672), (8918, 31496), (10192, 27559), (10633, 26416), (11284, 24892), (11557, 24304), (12152, 23114), (12446, 22568), (13208, 21266), (14224, 19747), (15748, 17836)]