260818376

素因数分解:

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

素因数の和:204

約数の個数: 144

約数和(自身を含む): 640880640

約数和(自身を除く): 380062264

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 49, 52, 56, 62, 91, 98, 104, 124, 127, 169, 182, 196, 217, 248, 254, 338, 364, 392, 403, 434, 508, 637, 676, 728, 806, 868, 889, 1016, 1183, 1274, 1352, 1519, 1612, 1651, 1736, 1778, 2366, 2548, 2821, 3038, 3224, 3302, 3556, 3937, 4732, 5096, 5239, 5642, 6076, 6223, 6604, 7112, 7874, 8281, 9464, 10478, 11284, 11557, 12152, 12446, 13208, 15748, 16562, 19747, 20956, 21463, 22568, 23114, 24892, 27559, 31496, 33124, 36673, 39494, 41912, 42926, 46228, 49784, 51181, 55118, 66248, 73346, 78988, 80899, 85852, 92456, 102362, 110236, 146692, 150241, 157976, 161798, 171704, 192913, 204724, 220472, 256711, 293384, 300482, 323596, 358267, 385826, 409448, 513422, 600964, 647192, 665353, 716534, 771652, 1026844, 1051687, 1201928, 1330706, 1433068, 1543304, 2053688, 2103374, 2507869, 2661412, 2866136, 4206748, 4657471, 5015738, 5322824, 8413496, 9314942, 10031476, 18629884, 20062952, 32602297, 37259768, 65204594, 130409188, 260818376]

約数ペア:

[(1, 260818376), (2, 130409188), (4, 65204594), (7, 37259768), (8, 32602297), (13, 20062952), (14, 18629884), (26, 10031476), (28, 9314942), (31, 8413496), (49, 5322824), (52, 5015738), (56, 4657471), (62, 4206748), (91, 2866136), (98, 2661412), (104, 2507869), (124, 2103374), (127, 2053688), (169, 1543304), (182, 1433068), (196, 1330706), (217, 1201928), (248, 1051687), (254, 1026844), (338, 771652), (364, 716534), (392, 665353), (403, 647192), (434, 600964), (508, 513422), (637, 409448), (676, 385826), (728, 358267), (806, 323596), (868, 300482), (889, 293384), (1016, 256711), (1183, 220472), (1274, 204724), (1352, 192913), (1519, 171704), (1612, 161798), (1651, 157976), (1736, 150241), (1778, 146692), (2366, 110236), (2548, 102362), (2821, 92456), (3038, 85852), (3224, 80899), (3302, 78988), (3556, 73346), (3937, 66248), (4732, 55118), (5096, 51181), (5239, 49784), (5642, 46228), (6076, 42926), (6223, 41912), (6604, 39494), (7112, 36673), (7874, 33124), (8281, 31496), (9464, 27559), (10478, 24892), (11284, 23114), (11557, 22568), (12152, 21463), (12446, 20956), (13208, 19747), (15748, 16562)]