About the Number

201207840

201207839 ← → 201207841

2進数表記:1011111111100011000000100000

漢数字表記:二億百二十万七千八百四十

素因数分解:

2 5 × 3 1 × 5 1 × 419183 1

素因数の和:419201
約数の個数: 48
約数和(自身を含む): 633806208
約数和(自身を除く): 432598368

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 419183, 838366, 1257549, 1676732, 2095915, 2515098, 3353464, 4191830, 5030196, 6287745, 6706928, 8383660, 10060392, 12575490, 13413856, 16767320, 20120784, 25150980, 33534640, 40241568, 50301960, 67069280, 100603920, 201207840]

約数ペア:
[(1, 201207840), (2, 100603920), (3, 67069280), (4, 50301960), (5, 40241568), (6, 33534640), (8, 25150980), (10, 20120784), (12, 16767320), (15, 13413856), (16, 12575490), (20, 10060392), (24, 8383660), (30, 6706928), (32, 6287745), (40, 5030196), (48, 4191830), (60, 3353464), (80, 2515098), (96, 2095915), (120, 1676732), (160, 1257549), (240, 838366), (480, 419183)]

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