320419134

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{433}}^1\times {\mathrm{839}}^1$

素因数の和:1294

約数の個数: 72

約数和(自身を含む): 810416880

約数和(自身を除く): 489997746

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 433, 441, 839, 866, 882, 1299, 1678, 2517, 2598, 3031, 3897, 5034, 5873, 6062, 7551, 7794, 9093, 11746, 15102, 17619, 18186, 21217, 27279, 35238, 41111, 42434, 52857, 54558, 63651, 82222, 105714, 123333, 127302, 190953, 246666, 363287, 369999, 381906, 726574, 739998, 1089861, 2179722, 2543009, 3269583, 5086018, 6539166, 7629027, 15258054, 17801063, 22887081, 35602126, 45774162, 53403189, 106806378, 160209567, 320419134]

約数ペア:

[(1, 320419134), (2, 160209567), (3, 106806378), (6, 53403189), (7, 45774162), (9, 35602126), (14, 22887081), (18, 17801063), (21, 15258054), (42, 7629027), (49, 6539166), (63, 5086018), (98, 3269583), (126, 2543009), (147, 2179722), (294, 1089861), (433, 739998), (441, 726574), (839, 381906), (866, 369999), (882, 363287), (1299, 246666), (1678, 190953), (2517, 127302), (2598, 123333), (3031, 105714), (3897, 82222), (5034, 63651), (5873, 54558), (6062, 52857), (7551, 42434), (7794, 41111), (9093, 35238), (11746, 27279), (15102, 21217), (17619, 18186)]