About the Number

2890121728

2890121727 ← → 2890121729

2進数表記:10101100010000111100001000000000

漢数字表記:二十八億九千十二万千七百二十八

素因数分解:

2 9 × 13 2 × 127 1 × 263 1

素因数の和:434
約数の個数: 120
約数和(自身を含む): 6326166528
約数和(自身を除く): 3436044800

約数列:
[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 169, 208, 254, 256, 263, 338, 416, 508, 512, 526, 676, 832, 1016, 1052, 1352, 1651, 1664, 2032, 2104, 2704, 3302, 3328, 3419, 4064, 4208, 5408, 6604, 6656, 6838, 8128, 8416, 10816, 13208, 13676, 16256, 16832, 21463, 21632, 26416, 27352, 32512, 33401, 33664, 42926, 43264, 44447, 52832, 54704, 65024, 66802, 67328, 85852, 86528, 88894, 105664, 109408, 133604, 134656, 171704, 177788, 211328, 218816, 267208, 343408, 355576, 422656, 434213, 437632, 534416, 686816, 711152, 845312, 868426, 875264, 1068832, 1373632, 1422304, 1736852, 1750528, 2137664, 2747264, 2844608, 3473704, 4275328, 5494528, 5644769, 5689216, 6947408, 8550656, 10989056, 11289538, 11378432, 13894816, 17101312, 22579076, 22756864, 27789632, 45158152, 55579264, 90316304, 111158528, 180632608, 222317056, 361265216, 722530432, 1445060864, 2890121728]

約数ペア:
[(1, 2890121728), (2, 1445060864), (4, 722530432), (8, 361265216), (13, 222317056), (16, 180632608), (26, 111158528), (32, 90316304), (52, 55579264), (64, 45158152), (104, 27789632), (127, 22756864), (128, 22579076), (169, 17101312), (208, 13894816), (254, 11378432), (256, 11289538), (263, 10989056), (338, 8550656), (416, 6947408), (508, 5689216), (512, 5644769), (526, 5494528), (676, 4275328), (832, 3473704), (1016, 2844608), (1052, 2747264), (1352, 2137664), (1651, 1750528), (1664, 1736852), (2032, 1422304), (2104, 1373632), (2704, 1068832), (3302, 875264), (3328, 868426), (3419, 845312), (4064, 711152), (4208, 686816), (5408, 534416), (6604, 437632), (6656, 434213), (6838, 422656), (8128, 355576), (8416, 343408), (10816, 267208), (13208, 218816), (13676, 211328), (16256, 177788), (16832, 171704), (21463, 134656), (21632, 133604), (26416, 109408), (27352, 105664), (32512, 88894), (33401, 86528), (33664, 85852), (42926, 67328), (43264, 66802), (44447, 65024), (52832, 54704)]

このpageの処理時間: 0.5284943580627441 seconds