389799998

素因数分解:

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

素因数の和:238

約数の個数: 72

約数和(自身を含む): 727756848

約数和(自身を除く): 337956850

約数列:

[1, 2, 7, 14, 23, 46, 49, 73, 98, 103, 146, 161, 206, 322, 511, 529, 721, 1022, 1058, 1127, 1442, 1679, 2254, 2369, 3358, 3577, 3703, 4738, 5047, 7154, 7406, 7519, 10094, 11753, 15038, 16583, 23506, 25921, 33166, 38617, 51842, 52633, 54487, 77234, 82271, 105266, 108974, 116081, 164542, 172937, 232162, 270319, 345874, 368431, 381409, 540638, 736862, 762818, 1210559, 1892233, 2421118, 2669863, 3784466, 3977551, 5339726, 7955102, 8473913, 16947826, 27842857, 55685714, 194899999, 389799998]

約数ペア:

[(1, 389799998), (2, 194899999), (7, 55685714), (14, 27842857), (23, 16947826), (46, 8473913), (49, 7955102), (73, 5339726), (98, 3977551), (103, 3784466), (146, 2669863), (161, 2421118), (206, 1892233), (322, 1210559), (511, 762818), (529, 736862), (721, 540638), (1022, 381409), (1058, 368431), (1127, 345874), (1442, 270319), (1679, 232162), (2254, 172937), (2369, 164542), (3358, 116081), (3577, 108974), (3703, 105266), (4738, 82271), (5047, 77234), (7154, 54487), (7406, 52633), (7519, 51842), (10094, 38617), (11753, 33166), (15038, 25921), (16583, 23506)]