About the Number

238220403890

238220403889 ← → 238220403891

2進数表記:11011101110111000010101110010010110010

漢数字表記:二千三百八十二億二千四十万三千八百九十

素因数分解:

2 1 × 5 1 × 7 1 × 10847 1 × 313741 1

素因数の和:324602
約数の個数: 32
約数和(自身を含む): 490100143104
約数和(自身を除く): 251879739214

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 10847, 21694, 54235, 75929, 108470, 151858, 313741, 379645, 627482, 759290, 1568705, 2196187, 3137410, 4392374, 10980935, 21961870, 3403148627, 6806297254, 17015743135, 23822040389, 34031486270, 47644080778, 119110201945, 238220403890]

約数ペア:
[(1, 238220403890), (2, 119110201945), (5, 47644080778), (7, 34031486270), (10, 23822040389), (14, 17015743135), (35, 6806297254), (70, 3403148627), (10847, 21961870), (21694, 10980935), (54235, 4392374), (75929, 3137410), (108470, 2196187), (151858, 1568705), (313741, 759290), (379645, 627482)]

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