About the Number

289892008

289892007 ← → 289892009

2進数表記:10001010001110110011010101000

漢数字表記:二億八千九百八十九万二千八

素因数分解:

2 3 × 7 1 × 61 1 × 113 1 × 751 1

素因数の和:938
約数の個数: 64
約数和(自身を含む): 637816320
約数和(自身を除く): 347924312

約数列:
[1, 2, 4, 7, 8, 14, 28, 56, 61, 113, 122, 226, 244, 427, 452, 488, 751, 791, 854, 904, 1502, 1582, 1708, 3004, 3164, 3416, 5257, 6008, 6328, 6893, 10514, 13786, 21028, 27572, 42056, 45811, 48251, 55144, 84863, 91622, 96502, 169726, 183244, 193004, 320677, 339452, 366488, 386008, 594041, 641354, 678904, 1188082, 1282708, 2376164, 2565416, 4752328, 5176643, 10353286, 20706572, 36236501, 41413144, 72473002, 144946004, 289892008]

約数ペア:
[(1, 289892008), (2, 144946004), (4, 72473002), (7, 41413144), (8, 36236501), (14, 20706572), (28, 10353286), (56, 5176643), (61, 4752328), (113, 2565416), (122, 2376164), (226, 1282708), (244, 1188082), (427, 678904), (452, 641354), (488, 594041), (751, 386008), (791, 366488), (854, 339452), (904, 320677), (1502, 193004), (1582, 183244), (1708, 169726), (3004, 96502), (3164, 91622), (3416, 84863), (5257, 55144), (6008, 48251), (6328, 45811), (6893, 42056), (10514, 27572), (13786, 21028)]

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