19960992016

素因数分解:

$2^4\times 7^4\times {\mathrm{229}}^1\times {\mathrm{2269}}^1$

素因数の和:2534

約数の個数: 100

約数和(自身を含む): 45334465100

約数和(自身を除く): 25373473084

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 229, 343, 392, 458, 686, 784, 916, 1372, 1603, 1832, 2269, 2401, 2744, 3206, 3664, 4538, 4802, 5488, 6412, 9076, 9604, 11221, 12824, 15883, 18152, 19208, 22442, 25648, 31766, 36304, 38416, 44884, 63532, 78547, 89768, 111181, 127064, 157094, 179536, 222362, 254128, 314188, 444724, 519601, 549829, 628376, 778267, 889448, 1039202, 1099658, 1256752, 1556534, 1778896, 2078404, 2199316, 3113068, 3637207, 4156808, 4398632, 5447869, 6226136, 7274414, 8313616, 8797264, 10895738, 12452272, 14548828, 21791476, 25460449, 29097656, 43582952, 50920898, 58195312, 87165904, 101841796, 178223143, 203683592, 356446286, 407367184, 712892572, 1247562001, 1425785144, 2495124002, 2851570288, 4990248004, 9980496008, 19960992016]

約数ペア:

[(1, 19960992016), (2, 9980496008), (4, 4990248004), (7, 2851570288), (8, 2495124002), (14, 1425785144), (16, 1247562001), (28, 712892572), (49, 407367184), (56, 356446286), (98, 203683592), (112, 178223143), (196, 101841796), (229, 87165904), (343, 58195312), (392, 50920898), (458, 43582952), (686, 29097656), (784, 25460449), (916, 21791476), (1372, 14548828), (1603, 12452272), (1832, 10895738), (2269, 8797264), (2401, 8313616), (2744, 7274414), (3206, 6226136), (3664, 5447869), (4538, 4398632), (4802, 4156808), (5488, 3637207), (6412, 3113068), (9076, 2199316), (9604, 2078404), (11221, 1778896), (12824, 1556534), (15883, 1256752), (18152, 1099658), (19208, 1039202), (22442, 889448), (25648, 778267), (31766, 628376), (36304, 549829), (38416, 519601), (44884, 444724), (63532, 314188), (78547, 254128), (89768, 222362), (111181, 179536), (127064, 157094)]