About the Number

51420390

51420389 ← → 51420391

2進数表記:11000100001001110011100110

漢数字表記:五千百四十二万三百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 244859 1

素因数の和:244876
約数の個数: 32
約数和(自身を含む): 141039360
約数和(自身を除く): 89618970

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 244859, 489718, 734577, 1224295, 1469154, 1714013, 2448590, 3428026, 3672885, 5142039, 7345770, 8570065, 10284078, 17140130, 25710195, 51420390]

約数ペア:
[(1, 51420390), (2, 25710195), (3, 17140130), (5, 10284078), (6, 8570065), (7, 7345770), (10, 5142039), (14, 3672885), (15, 3428026), (21, 2448590), (30, 1714013), (35, 1469154), (42, 1224295), (70, 734577), (105, 489718), (210, 244859)]

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