About the Number

1243280090

1243280089 ← → 1243280091

2進数表記:1001010000110101111001011011010

漢数字表記:十二億四千三百二十八万九十

素因数分解:

2 1 × 5 1 × 13 1 × 467 1 × 20479 1

素因数の和:20966
約数の個数: 32
約数和(自身を含む): 2415329280
約数和(自身を除く): 1172049190

約数列:
[1, 2, 5, 10, 13, 26, 65, 130, 467, 934, 2335, 4670, 6071, 12142, 20479, 30355, 40958, 60710, 102395, 204790, 266227, 532454, 1331135, 2662270, 9563693, 19127386, 47818465, 95636930, 124328009, 248656018, 621640045, 1243280090]

約数ペア:
[(1, 1243280090), (2, 621640045), (5, 248656018), (10, 124328009), (13, 95636930), (26, 47818465), (65, 19127386), (130, 9563693), (467, 2662270), (934, 1331135), (2335, 532454), (4670, 266227), (6071, 204790), (12142, 102395), (20479, 60710), (30355, 40958)]

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