400087338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{701}}^1$

素因数の和:947

約数の個数: 64

約数和(自身を含む): 931627008

約数和(自身を除く): 531539670

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 127, 214, 254, 321, 381, 642, 701, 749, 762, 889, 1402, 1498, 1778, 2103, 2247, 2667, 4206, 4494, 4907, 5334, 9814, 13589, 14721, 27178, 29442, 40767, 75007, 81534, 89027, 95123, 150014, 178054, 190246, 225021, 267081, 285369, 450042, 525049, 534162, 570738, 623189, 1050098, 1246378, 1575147, 1869567, 3150294, 3739134, 9525889, 19051778, 28577667, 57155334, 66681223, 133362446, 200043669, 400087338]

約数ペア:

[(1, 400087338), (2, 200043669), (3, 133362446), (6, 66681223), (7, 57155334), (14, 28577667), (21, 19051778), (42, 9525889), (107, 3739134), (127, 3150294), (214, 1869567), (254, 1575147), (321, 1246378), (381, 1050098), (642, 623189), (701, 570738), (749, 534162), (762, 525049), (889, 450042), (1402, 285369), (1498, 267081), (1778, 225021), (2103, 190246), (2247, 178054), (2667, 150014), (4206, 95123), (4494, 89027), (4907, 81534), (5334, 75007), (9814, 40767), (13589, 29442), (14721, 27178)]