About the Number

1214121285

1214121284 ← → 1214121286

2進数表記:1001000010111100000010101000101

漢数字表記:十二億千四百十二万千二百八十五

素因数分解:

3 3 × 5 1 × 13 1 × 149 1 × 4643 1

素因数の和:4819
約数の個数: 64
約数和(自身を含む): 2340576000
約数和(自身を除く): 1126454715

約数列:
[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 149, 195, 351, 447, 585, 745, 1341, 1755, 1937, 2235, 4023, 4643, 5811, 6705, 9685, 13929, 17433, 20115, 23215, 29055, 41787, 52299, 60359, 69645, 87165, 125361, 181077, 208935, 261495, 301795, 543231, 626805, 691807, 905385, 1629693, 2075421, 2716155, 3459035, 6226263, 8148465, 8993491, 10377105, 18678789, 26980473, 31131315, 44967455, 80941419, 93393945, 134902365, 242824257, 404707095, 1214121285]

約数ペア:
[(1, 1214121285), (3, 404707095), (5, 242824257), (9, 134902365), (13, 93393945), (15, 80941419), (27, 44967455), (39, 31131315), (45, 26980473), (65, 18678789), (117, 10377105), (135, 8993491), (149, 8148465), (195, 6226263), (351, 3459035), (447, 2716155), (585, 2075421), (745, 1629693), (1341, 905385), (1755, 691807), (1937, 626805), (2235, 543231), (4023, 301795), (4643, 261495), (5811, 208935), (6705, 181077), (9685, 125361), (13929, 87165), (17433, 69645), (20115, 60359), (23215, 52299), (29055, 41787)]

このpageの処理時間: 0.010950088500976562 seconds