About the Number

127931490

127931489 ← → 127931491

2進数表記:111101000000001010001100010

漢数字表記:一億二千七百九十三万千四百九十

素因数分解:

2 1 × 3 2 × 5 1 × 1421461 1

素因数の和:1421474
約数の個数: 24
約数和(自身を含む): 332622108
約数和(自身を除く): 204690618

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1421461, 2842922, 4264383, 7107305, 8528766, 12793149, 14214610, 21321915, 25586298, 42643830, 63965745, 127931490]

約数ペア:
[(1, 127931490), (2, 63965745), (3, 42643830), (5, 25586298), (6, 21321915), (9, 14214610), (10, 12793149), (15, 8528766), (18, 7107305), (30, 4264383), (45, 2842922), (90, 1421461)]

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