About the Number

201202640

201202639 ← → 201202641

2進数表記:1011111111100001101111010000

漢数字表記:二億百二十万二千六百四十

素因数分解:

2 4 × 5 1 × 71 1 × 35423 1

素因数の和:35507
約数の個数: 40
約数和(自身を含む): 474398208
約数和(自身を除く): 273195568

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 35423, 70846, 141692, 177115, 283384, 354230, 566768, 708460, 1416920, 2515033, 2833840, 5030066, 10060132, 12575165, 20120264, 25150330, 40240528, 50300660, 100601320, 201202640]

約数ペア:
[(1, 201202640), (2, 100601320), (4, 50300660), (5, 40240528), (8, 25150330), (10, 20120264), (16, 12575165), (20, 10060132), (40, 5030066), (71, 2833840), (80, 2515033), (142, 1416920), (284, 708460), (355, 566768), (568, 354230), (710, 283384), (1136, 177115), (1420, 141692), (2840, 70846), (5680, 35423)]

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