251796272

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 160

約数和(自身を含む): 641292288

約数和(自身を除く): 389496016

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 46, 52, 56, 73, 91, 92, 103, 104, 112, 146, 161, 182, 184, 206, 208, 292, 299, 322, 364, 368, 412, 511, 584, 598, 644, 721, 728, 824, 949, 1022, 1168, 1196, 1288, 1339, 1442, 1456, 1648, 1679, 1898, 2044, 2093, 2369, 2392, 2576, 2678, 2884, 3358, 3796, 4088, 4186, 4738, 4784, 5356, 5768, 6643, 6716, 7519, 7592, 8176, 8372, 9373, 9476, 10712, 11536, 11753, 13286, 13432, 15038, 15184, 16583, 16744, 18746, 18952, 21424, 21827, 23506, 26572, 26864, 30076, 30797, 33166, 33488, 37492, 37904, 43654, 47012, 52633, 53144, 60152, 61594, 66332, 74984, 87308, 94024, 97747, 105266, 106288, 120304, 123188, 132664, 149968, 152789, 172937, 174616, 188048, 195494, 210532, 215579, 246376, 265328, 305578, 345874, 349232, 390988, 421064, 431158, 492752, 611156, 684229, 691748, 781976, 842128, 862316, 1210559, 1222312, 1368458, 1383496, 1563952, 1724632, 2248181, 2421118, 2444624, 2736916, 2766992, 3449264, 4496362, 4842236, 5473832, 8992724, 9684472, 10947664, 15737267, 17985448, 19368944, 31474534, 35970896, 62949068, 125898136, 251796272]

約数ペア:

[(1, 251796272), (2, 125898136), (4, 62949068), (7, 35970896), (8, 31474534), (13, 19368944), (14, 17985448), (16, 15737267), (23, 10947664), (26, 9684472), (28, 8992724), (46, 5473832), (52, 4842236), (56, 4496362), (73, 3449264), (91, 2766992), (92, 2736916), (103, 2444624), (104, 2421118), (112, 2248181), (146, 1724632), (161, 1563952), (182, 1383496), (184, 1368458), (206, 1222312), (208, 1210559), (292, 862316), (299, 842128), (322, 781976), (364, 691748), (368, 684229), (412, 611156), (511, 492752), (584, 431158), (598, 421064), (644, 390988), (721, 349232), (728, 345874), (824, 305578), (949, 265328), (1022, 246376), (1168, 215579), (1196, 210532), (1288, 195494), (1339, 188048), (1442, 174616), (1456, 172937), (1648, 152789), (1679, 149968), (1898, 132664), (2044, 123188), (2093, 120304), (2369, 106288), (2392, 105266), (2576, 97747), (2678, 94024), (2884, 87308), (3358, 74984), (3796, 66332), (4088, 61594), (4186, 60152), (4738, 53144), (4784, 52633), (5356, 47012), (5768, 43654), (6643, 37904), (6716, 37492), (7519, 33488), (7592, 33166), (8176, 30797), (8372, 30076), (9373, 26864), (9476, 26572), (10712, 23506), (11536, 21827), (11753, 21424), (13286, 18952), (13432, 18746), (15038, 16744), (15184, 16583)]