About the Number

201764990

201764989 ← → 201764991

2進数表記:1100000001101011000001111110

漢数字表記:二億百七十六万四千九百九十

素因数分解:

2 1 × 5 1 × 7 1 × 19 1 × 151703 1

素因数の和:151736
約数の個数: 32
約数和(自身を含む): 436907520
約数和(自身を除く): 235142530

約数列:
[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 151703, 303406, 758515, 1061921, 1517030, 2123842, 2882357, 5309605, 5764714, 10619210, 14411785, 20176499, 28823570, 40352998, 100882495, 201764990]

約数ペア:
[(1, 201764990), (2, 100882495), (5, 40352998), (7, 28823570), (10, 20176499), (14, 14411785), (19, 10619210), (35, 5764714), (38, 5309605), (70, 2882357), (95, 2123842), (133, 1517030), (190, 1061921), (266, 758515), (665, 303406), (1330, 151703)]

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