About the Number
128438240
2進数表記:111101001111100111111100000
漢数字表記:一億二千八百四十三万八千二百四十
素因数分解:
素因数の和:2860
約数の個数: 96
約数和(自身を含む): 355368384
約数和(自身を除く): 226930144
約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 70, 80, 82, 112, 140, 160, 164, 205, 224, 280, 287, 328, 410, 560, 574, 656, 820, 1120, 1148, 1312, 1435, 1640, 2296, 2797, 2870, 3280, 4592, 5594, 5740, 6560, 9184, 11188, 11480, 13985, 19579, 22376, 22960, 27970, 39158, 44752, 45920, 55940, 78316, 89504, 97895, 111880, 114677, 156632, 195790, 223760, 229354, 313264, 391580, 447520, 458708, 573385, 626528, 783160, 802739, 917416, 1146770, 1566320, 1605478, 1834832, 2293540, 3132640, 3210956, 3669664, 4013695, 4587080, 6421912, 8027390, 9174160, 12843824, 16054780, 18348320, 25687648, 32109560, 64219120, 128438240]
約数ペア:
[(1, 128438240), (2, 64219120), (4, 32109560), (5, 25687648), (7, 18348320), (8, 16054780), (10, 12843824), (14, 9174160), (16, 8027390), (20, 6421912), (28, 4587080), (32, 4013695), (35, 3669664), (40, 3210956), (41, 3132640), (56, 2293540), (70, 1834832), (80, 1605478), (82, 1566320), (112, 1146770), (140, 917416), (160, 802739), (164, 783160), (205, 626528), (224, 573385), (280, 458708), (287, 447520), (328, 391580), (410, 313264), (560, 229354), (574, 223760), (656, 195790), (820, 156632), (1120, 114677), (1148, 111880), (1312, 97895), (1435, 89504), (1640, 78316), (2296, 55940), (2797, 45920), (2870, 44752), (3280, 39158), (4592, 27970), (5594, 22960), (5740, 22376), (6560, 19579), (9184, 13985), (11188, 11480)]このpageの処理時間: 0.011511087417602539 seconds