About the Number

290947888

290947887 ← → 290947889

2進数表記:10001010101111000001100110000

漢数字表記:二億九千九十四万七千八百八十八

素因数分解:

2 4 × 7 2 × 11 2 × 3067 1

素因数の和:3111
約数の個数: 90
約数和(自身を含む): 721013748
約数和(自身を除く): 430065860

約数列:
[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 121, 154, 176, 196, 242, 308, 392, 484, 539, 616, 784, 847, 968, 1078, 1232, 1694, 1936, 2156, 3067, 3388, 4312, 5929, 6134, 6776, 8624, 11858, 12268, 13552, 21469, 23716, 24536, 33737, 42938, 47432, 49072, 67474, 85876, 94864, 134948, 150283, 171752, 236159, 269896, 300566, 343504, 371107, 472318, 539792, 601132, 742214, 944636, 1202264, 1484428, 1653113, 1889272, 2404528, 2597749, 2968856, 3306226, 3778544, 5195498, 5937712, 6612452, 10390996, 13224904, 18184243, 20781992, 26449808, 36368486, 41563984, 72736972, 145473944, 290947888]

約数ペア:
[(1, 290947888), (2, 145473944), (4, 72736972), (7, 41563984), (8, 36368486), (11, 26449808), (14, 20781992), (16, 18184243), (22, 13224904), (28, 10390996), (44, 6612452), (49, 5937712), (56, 5195498), (77, 3778544), (88, 3306226), (98, 2968856), (112, 2597749), (121, 2404528), (154, 1889272), (176, 1653113), (196, 1484428), (242, 1202264), (308, 944636), (392, 742214), (484, 601132), (539, 539792), (616, 472318), (784, 371107), (847, 343504), (968, 300566), (1078, 269896), (1232, 236159), (1694, 171752), (1936, 150283), (2156, 134948), (3067, 94864), (3388, 85876), (4312, 67474), (5929, 49072), (6134, 47432), (6776, 42938), (8624, 33737), (11858, 24536), (12268, 23716), (13552, 21469)]

このpageの処理時間: 0.01121211051940918 seconds