About the Number

389120280

389120279 ← → 389120281

2進数表記:10111001100011000000100011000

漢数字表記:三億八千九百十二万二百八十

素因数分解:

2 3 × 3 1 × 5 1 × 251 1 × 12919 1

素因数の和:13184
約数の個数: 64
約数和(自身を含む): 1172102400
約数和(自身を除く): 782982120

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 5020, 6024, 7530, 10040, 12919, 15060, 25838, 30120, 38757, 51676, 64595, 77514, 103352, 129190, 155028, 193785, 258380, 310056, 387570, 516760, 775140, 1550280, 3242669, 6485338, 9728007, 12970676, 16213345, 19456014, 25941352, 32426690, 38912028, 48640035, 64853380, 77824056, 97280070, 129706760, 194560140, 389120280]

約数ペア:
[(1, 389120280), (2, 194560140), (3, 129706760), (4, 97280070), (5, 77824056), (6, 64853380), (8, 48640035), (10, 38912028), (12, 32426690), (15, 25941352), (20, 19456014), (24, 16213345), (30, 12970676), (40, 9728007), (60, 6485338), (120, 3242669), (251, 1550280), (502, 775140), (753, 516760), (1004, 387570), (1255, 310056), (1506, 258380), (2008, 193785), (2510, 155028), (3012, 129190), (3765, 103352), (5020, 77514), (6024, 64595), (7530, 51676), (10040, 38757), (12919, 30120), (15060, 25838)]

このpageの処理時間: 0.08492851257324219 seconds