About the Number

209398728

209398727 ← → 209398729

2進数表記:1100011110110010101111001000

漢数字表記:二億九百三十九万八千七百二十八

素因数分解:

2 3 × 3 1 × 7 1 × 11 2 × 10301 1

素因数の和:10339
約数の個数: 96
約数和(自身を含む): 657679680
約数和(自身を除く): 448280952

約数列:
[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 121, 132, 154, 168, 231, 242, 264, 308, 363, 462, 484, 616, 726, 847, 924, 968, 1452, 1694, 1848, 2541, 2904, 3388, 5082, 6776, 10164, 10301, 20328, 20602, 30903, 41204, 61806, 72107, 82408, 113311, 123612, 144214, 216321, 226622, 247224, 288428, 339933, 432642, 453244, 576856, 679866, 793177, 865284, 906488, 1246421, 1359732, 1586354, 1730568, 2379531, 2492842, 2719464, 3172708, 3739263, 4759062, 4985684, 6345416, 7478526, 8724947, 9518124, 9971368, 14957052, 17449894, 19036248, 26174841, 29914104, 34899788, 52349682, 69799576, 104699364, 209398728]

約数ペア:
[(1, 209398728), (2, 104699364), (3, 69799576), (4, 52349682), (6, 34899788), (7, 29914104), (8, 26174841), (11, 19036248), (12, 17449894), (14, 14957052), (21, 9971368), (22, 9518124), (24, 8724947), (28, 7478526), (33, 6345416), (42, 4985684), (44, 4759062), (56, 3739263), (66, 3172708), (77, 2719464), (84, 2492842), (88, 2379531), (121, 1730568), (132, 1586354), (154, 1359732), (168, 1246421), (231, 906488), (242, 865284), (264, 793177), (308, 679866), (363, 576856), (462, 453244), (484, 432642), (616, 339933), (726, 288428), (847, 247224), (924, 226622), (968, 216321), (1452, 144214), (1694, 123612), (1848, 113311), (2541, 82408), (2904, 72107), (3388, 61806), (5082, 41204), (6776, 30903), (10164, 20602), (10301, 20328)]

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