About the Number

201484990

201484989 ← → 201484991

2進数表記:1100000000100110101010111110

漢数字表記:二億百四十八万四千九百九十

素因数分解:

2 1 × 5 1 × 7 1 × 83 1 × 34679 1

素因数の和:34776
約数の個数: 32
約数和(自身を含む): 419489280
約数和(自身を除く): 218004290

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 83, 166, 415, 581, 830, 1162, 2905, 5810, 34679, 69358, 173395, 242753, 346790, 485506, 1213765, 2427530, 2878357, 5756714, 14391785, 20148499, 28783570, 40296998, 100742495, 201484990]

約数ペア:
[(1, 201484990), (2, 100742495), (5, 40296998), (7, 28783570), (10, 20148499), (14, 14391785), (35, 5756714), (70, 2878357), (83, 2427530), (166, 1213765), (415, 485506), (581, 346790), (830, 242753), (1162, 173395), (2905, 69358), (5810, 34679)]

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