280200258

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 718937856

約数和(自身を除く): 438737598

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 31, 38, 39, 57, 62, 78, 93, 107, 114, 117, 171, 186, 214, 234, 247, 279, 321, 342, 361, 403, 494, 558, 589, 642, 722, 741, 806, 963, 1083, 1178, 1209, 1391, 1482, 1767, 1926, 2033, 2166, 2223, 2418, 2782, 3249, 3317, 3534, 3627, 4066, 4173, 4446, 4693, 5301, 6099, 6498, 6634, 7254, 7657, 8346, 9386, 9951, 10602, 11191, 12198, 12519, 14079, 15314, 18297, 19902, 22382, 22971, 25038, 26429, 28158, 29853, 33573, 36594, 38627, 42237, 43121, 45942, 52858, 59706, 63023, 67146, 68913, 77254, 79287, 84474, 86242, 100719, 115881, 126046, 129363, 137826, 145483, 158574, 189069, 201438, 231762, 237861, 258726, 290966, 347643, 378138, 388089, 436449, 475722, 502151, 567207, 695286, 776178, 819299, 872898, 1004302, 1134414, 1197437, 1309347, 1506453, 1638598, 2394874, 2457897, 2618694, 3012906, 3592311, 4519359, 4915794, 7184622, 7373691, 9038718, 10776933, 14747382, 15566681, 21553866, 31133362, 46700043, 93400086, 140100129, 280200258]

約数ペア:

[(1, 280200258), (2, 140100129), (3, 93400086), (6, 46700043), (9, 31133362), (13, 21553866), (18, 15566681), (19, 14747382), (26, 10776933), (31, 9038718), (38, 7373691), (39, 7184622), (57, 4915794), (62, 4519359), (78, 3592311), (93, 3012906), (107, 2618694), (114, 2457897), (117, 2394874), (171, 1638598), (186, 1506453), (214, 1309347), (234, 1197437), (247, 1134414), (279, 1004302), (321, 872898), (342, 819299), (361, 776178), (403, 695286), (494, 567207), (558, 502151), (589, 475722), (642, 436449), (722, 388089), (741, 378138), (806, 347643), (963, 290966), (1083, 258726), (1178, 237861), (1209, 231762), (1391, 201438), (1482, 189069), (1767, 158574), (1926, 145483), (2033, 137826), (2166, 129363), (2223, 126046), (2418, 115881), (2782, 100719), (3249, 86242), (3317, 84474), (3534, 79287), (3627, 77254), (4066, 68913), (4173, 67146), (4446, 63023), (4693, 59706), (5301, 52858), (6099, 45942), (6498, 43121), (6634, 42237), (7254, 38627), (7657, 36594), (8346, 33573), (9386, 29853), (9951, 28158), (10602, 26429), (11191, 25038), (12198, 22971), (12519, 22382), (14079, 19902), (15314, 18297)]