About the Number

28992720

28992719 ← → 28992721

2進数表記:1101110100110010011010000

漢数字表記:二千八百九十九万二千七百二十

素因数分解:

2 4 × 3 1 × 5 1 × 107 1 × 1129 1

素因数の和:1252
約数の個数: 80
約数和(自身を含む): 90797760
約数和(自身を除く): 61805040

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 856, 1070, 1129, 1284, 1605, 1712, 2140, 2258, 2568, 3210, 3387, 4280, 4516, 5136, 5645, 6420, 6774, 8560, 9032, 11290, 12840, 13548, 16935, 18064, 22580, 25680, 27096, 33870, 45160, 54192, 67740, 90320, 120803, 135480, 241606, 270960, 362409, 483212, 604015, 724818, 966424, 1208030, 1449636, 1812045, 1932848, 2416060, 2899272, 3624090, 4832120, 5798544, 7248180, 9664240, 14496360, 28992720]

約数ペア:
[(1, 28992720), (2, 14496360), (3, 9664240), (4, 7248180), (5, 5798544), (6, 4832120), (8, 3624090), (10, 2899272), (12, 2416060), (15, 1932848), (16, 1812045), (20, 1449636), (24, 1208030), (30, 966424), (40, 724818), (48, 604015), (60, 483212), (80, 362409), (107, 270960), (120, 241606), (214, 135480), (240, 120803), (321, 90320), (428, 67740), (535, 54192), (642, 45160), (856, 33870), (1070, 27096), (1129, 25680), (1284, 22580), (1605, 18064), (1712, 16935), (2140, 13548), (2258, 12840), (2568, 11290), (3210, 9032), (3387, 8560), (4280, 6774), (4516, 6420), (5136, 5645)]

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