About the Number
28749240
2進数表記:1101101101010110110111000
漢数字表記:二千八百七十四万九千二百四十
素因数分解:
素因数の和:6173
約数の個数: 96
約数和(自身を含む): 100638720
約数和(自身を除く): 71889480
約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 6143, 12286, 18429, 24572, 30715, 36858, 49144, 55287, 61430, 73716, 79859, 92145, 110574, 122860, 147432, 159718, 184290, 221148, 239577, 245720, 276435, 319436, 368580, 399295, 442296, 479154, 552870, 638872, 718731, 737160, 798590, 958308, 1105740, 1197885, 1437462, 1597180, 1916616, 2211480, 2395770, 2874924, 3194360, 3593655, 4791540, 5749848, 7187310, 9583080, 14374620, 28749240]
約数ペア:
[(1, 28749240), (2, 14374620), (3, 9583080), (4, 7187310), (5, 5749848), (6, 4791540), (8, 3593655), (9, 3194360), (10, 2874924), (12, 2395770), (13, 2211480), (15, 1916616), (18, 1597180), (20, 1437462), (24, 1197885), (26, 1105740), (30, 958308), (36, 798590), (39, 737160), (40, 718731), (45, 638872), (52, 552870), (60, 479154), (65, 442296), (72, 399295), (78, 368580), (90, 319436), (104, 276435), (117, 245720), (120, 239577), (130, 221148), (156, 184290), (180, 159718), (195, 147432), (234, 122860), (260, 110574), (312, 92145), (360, 79859), (390, 73716), (468, 61430), (520, 55287), (585, 49144), (780, 36858), (936, 30715), (1170, 24572), (1560, 18429), (2340, 12286), (4680, 6143)]このpageの処理時間: 0.07796525955200195 seconds