About the Number

228900

228899 ← → 228901

2進数表記:110111111000100100

漢数字表記:二十二万八千九百

素因数分解:

2 2 × 3 1 × 5 2 × 7 1 × 109 1

素因数の和:133
約数の個数: 72
約数和(自身を含む): 763840
約数和(自身を除く): 534940

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 109, 140, 150, 175, 210, 218, 300, 327, 350, 420, 436, 525, 545, 654, 700, 763, 1050, 1090, 1308, 1526, 1635, 2100, 2180, 2289, 2725, 3052, 3270, 3815, 4578, 5450, 6540, 7630, 8175, 9156, 10900, 11445, 15260, 16350, 19075, 22890, 32700, 38150, 45780, 57225, 76300, 114450, 228900]

約数ペア:
[(1, 228900), (2, 114450), (3, 76300), (4, 57225), (5, 45780), (6, 38150), (7, 32700), (10, 22890), (12, 19075), (14, 16350), (15, 15260), (20, 11445), (21, 10900), (25, 9156), (28, 8175), (30, 7630), (35, 6540), (42, 5450), (50, 4578), (60, 3815), (70, 3270), (75, 3052), (84, 2725), (100, 2289), (105, 2180), (109, 2100), (140, 1635), (150, 1526), (175, 1308), (210, 1090), (218, 1050), (300, 763), (327, 700), (350, 654), (420, 545), (436, 525)]

このpageの処理時間: 0.002588510513305664 seconds