About the Number

133489020

133489019 ← → 133489021

2進数表記:111111101001110000101111100

漢数字表記:一億三千三百四十八万九千二十

素因数分解:

2 2 × 3 1 × 5 1 × 7 1 × 317831 1

素因数の和:317850
約数の個数: 48
約数和(自身を含む): 427166208
約数和(自身を除く): 293677188

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 317831, 635662, 953493, 1271324, 1589155, 1906986, 2224817, 3178310, 3813972, 4449634, 4767465, 6356620, 6674451, 8899268, 9534930, 11124085, 13348902, 19069860, 22248170, 26697804, 33372255, 44496340, 66744510, 133489020]

約数ペア:
[(1, 133489020), (2, 66744510), (3, 44496340), (4, 33372255), (5, 26697804), (6, 22248170), (7, 19069860), (10, 13348902), (12, 11124085), (14, 9534930), (15, 8899268), (20, 6674451), (21, 6356620), (28, 4767465), (30, 4449634), (35, 3813972), (42, 3178310), (60, 2224817), (70, 1906986), (84, 1589155), (105, 1271324), (140, 953493), (210, 635662), (420, 317831)]

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