389649078

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2051

約数の個数: 144

約数和(自身を含む): 1120392000

約数和(自身を除く): 730742922

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 39, 42, 49, 51, 63, 78, 91, 98, 102, 117, 119, 126, 147, 153, 182, 221, 234, 238, 273, 294, 306, 357, 441, 442, 546, 637, 663, 714, 819, 833, 882, 1071, 1274, 1326, 1547, 1638, 1666, 1911, 1989, 1999, 2142, 2499, 3094, 3822, 3978, 3998, 4641, 4998, 5733, 5997, 7497, 9282, 10829, 11466, 11994, 13923, 13993, 14994, 17991, 21658, 25987, 27846, 27986, 32487, 33983, 35982, 41979, 51974, 64974, 67966, 77961, 83958, 97461, 97951, 101949, 125937, 155922, 181909, 194922, 195902, 203898, 233883, 237881, 251874, 293853, 305847, 363818, 441779, 467766, 475762, 545727, 587706, 611694, 713643, 881559, 883558, 1091454, 1273363, 1325337, 1427286, 1637181, 1665167, 1763118, 2140929, 2546726, 2650674, 3092453, 3274362, 3330334, 3820089, 3976011, 4281858, 4995501, 6184906, 7640178, 7952022, 9277359, 9991002, 11460267, 14986503, 18554718, 21647171, 22920534, 27832077, 29973006, 43294342, 55664154, 64941513, 129883026, 194824539, 389649078]

約数ペア:

[(1, 389649078), (2, 194824539), (3, 129883026), (6, 64941513), (7, 55664154), (9, 43294342), (13, 29973006), (14, 27832077), (17, 22920534), (18, 21647171), (21, 18554718), (26, 14986503), (34, 11460267), (39, 9991002), (42, 9277359), (49, 7952022), (51, 7640178), (63, 6184906), (78, 4995501), (91, 4281858), (98, 3976011), (102, 3820089), (117, 3330334), (119, 3274362), (126, 3092453), (147, 2650674), (153, 2546726), (182, 2140929), (221, 1763118), (234, 1665167), (238, 1637181), (273, 1427286), (294, 1325337), (306, 1273363), (357, 1091454), (441, 883558), (442, 881559), (546, 713643), (637, 611694), (663, 587706), (714, 545727), (819, 475762), (833, 467766), (882, 441779), (1071, 363818), (1274, 305847), (1326, 293853), (1547, 251874), (1638, 237881), (1666, 233883), (1911, 203898), (1989, 195902), (1999, 194922), (2142, 181909), (2499, 155922), (3094, 125937), (3822, 101949), (3978, 97951), (3998, 97461), (4641, 83958), (4998, 77961), (5733, 67966), (5997, 64974), (7497, 51974), (9282, 41979), (10829, 35982), (11466, 33983), (11994, 32487), (13923, 27986), (13993, 27846), (14994, 25987), (17991, 21658)]