About the Number

71420090

71420089 ← → 71420091

2進数表記:100010000011100100010111010

漢数字表記:七千百四十二万九十

素因数分解:

2 1 × 5 1 × 7 1 × 59 1 × 17293 1

素因数の和:17366
約数の個数: 32
約数和(自身を含む): 149420160
約数和(自身を除く): 78000070

約数列:
[1, 2, 5, 7, 10, 14, 35, 59, 70, 118, 295, 413, 590, 826, 2065, 4130, 17293, 34586, 86465, 121051, 172930, 242102, 605255, 1020287, 1210510, 2040574, 5101435, 7142009, 10202870, 14284018, 35710045, 71420090]

約数ペア:
[(1, 71420090), (2, 35710045), (5, 14284018), (7, 10202870), (10, 7142009), (14, 5101435), (35, 2040574), (59, 1210510), (70, 1020287), (118, 605255), (295, 242102), (413, 172930), (590, 121051), (826, 86465), (2065, 34586), (4130, 17293)]

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