About the Number

138007920

138007919 ← → 138007921

2進数表記:1000001110011101010101110000

漢数字表記:一億三千八百万七千九百二十

素因数分解:

2 4 × 3 1 × 5 1 × 575033 1

素因数の和:575049
約数の個数: 40
約数和(自身を含む): 427825296
約数和(自身を除く): 289817376

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 575033, 1150066, 1725099, 2300132, 2875165, 3450198, 4600264, 5750330, 6900396, 8625495, 9200528, 11500660, 13800792, 17250990, 23001320, 27601584, 34501980, 46002640, 69003960, 138007920]

約数ペア:
[(1, 138007920), (2, 69003960), (3, 46002640), (4, 34501980), (5, 27601584), (6, 23001320), (8, 17250990), (10, 13800792), (12, 11500660), (15, 9200528), (16, 8625495), (20, 6900396), (24, 5750330), (30, 4600264), (40, 3450198), (48, 2875165), (60, 2300132), (80, 1725099), (120, 1150066), (240, 575033)]

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