About the Number
27980700
2進数表記:1101010101111001110011100
漢数字表記:二千七百九十八万七百
素因数分解:
素因数の和:228
約数の個数: 144
約数和(自身を含む): 90410880
約数和(自身を除く): 62430180
約数列:
[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 61, 66, 75, 100, 110, 122, 132, 139, 150, 165, 183, 220, 244, 275, 278, 300, 305, 330, 366, 417, 550, 556, 610, 660, 671, 695, 732, 825, 834, 915, 1100, 1220, 1342, 1390, 1525, 1529, 1650, 1668, 1830, 2013, 2085, 2684, 2780, 3050, 3058, 3300, 3355, 3475, 3660, 4026, 4170, 4575, 4587, 6100, 6116, 6710, 6950, 7645, 8052, 8340, 8479, 9150, 9174, 10065, 10425, 13420, 13900, 15290, 16775, 16958, 18300, 18348, 20130, 20850, 22935, 25437, 30580, 33550, 33916, 38225, 40260, 41700, 42395, 45870, 50325, 50874, 67100, 76450, 84790, 91740, 93269, 100650, 101748, 114675, 127185, 152900, 169580, 186538, 201300, 211975, 229350, 254370, 279807, 373076, 423950, 458700, 466345, 508740, 559614, 635925, 847900, 932690, 1119228, 1271850, 1399035, 1865380, 2331725, 2543700, 2798070, 4663450, 5596140, 6995175, 9326900, 13990350, 27980700]
約数ペア:
[(1, 27980700), (2, 13990350), (3, 9326900), (4, 6995175), (5, 5596140), (6, 4663450), (10, 2798070), (11, 2543700), (12, 2331725), (15, 1865380), (20, 1399035), (22, 1271850), (25, 1119228), (30, 932690), (33, 847900), (44, 635925), (50, 559614), (55, 508740), (60, 466345), (61, 458700), (66, 423950), (75, 373076), (100, 279807), (110, 254370), (122, 229350), (132, 211975), (139, 201300), (150, 186538), (165, 169580), (183, 152900), (220, 127185), (244, 114675), (275, 101748), (278, 100650), (300, 93269), (305, 91740), (330, 84790), (366, 76450), (417, 67100), (550, 50874), (556, 50325), (610, 45870), (660, 42395), (671, 41700), (695, 40260), (732, 38225), (825, 33916), (834, 33550), (915, 30580), (1100, 25437), (1220, 22935), (1342, 20850), (1390, 20130), (1525, 18348), (1529, 18300), (1650, 16958), (1668, 16775), (1830, 15290), (2013, 13900), (2085, 13420), (2684, 10425), (2780, 10065), (3050, 9174), (3058, 9150), (3300, 8479), (3355, 8340), (3475, 8052), (3660, 7645), (4026, 6950), (4170, 6710), (4575, 6116), (4587, 6100)]このpageの処理時間: 0.004879951477050781 seconds