About the Number

201287240

201287239 ← → 201287241

2進数表記:1011111111110110011001001000

漢数字表記:二億百二十八万七千二百四十

素因数分解:

2 3 × 5 1 × 7 1 × 11 1 × 65353 1

素因数の和:65382
約数の個数: 64
約数和(自身を含む): 564658560
約数和(自身を除く): 363371320

約数列:
[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 65353, 130706, 261412, 326765, 457471, 522824, 653530, 718883, 914942, 1307060, 1437766, 1829884, 2287355, 2614120, 2875532, 3594415, 3659768, 4574710, 5032181, 5751064, 7188830, 9149420, 10064362, 14377660, 18298840, 20128724, 25160905, 28755320, 40257448, 50321810, 100643620, 201287240]

約数ペア:
[(1, 201287240), (2, 100643620), (4, 50321810), (5, 40257448), (7, 28755320), (8, 25160905), (10, 20128724), (11, 18298840), (14, 14377660), (20, 10064362), (22, 9149420), (28, 7188830), (35, 5751064), (40, 5032181), (44, 4574710), (55, 3659768), (56, 3594415), (70, 2875532), (77, 2614120), (88, 2287355), (110, 1829884), (140, 1437766), (154, 1307060), (220, 914942), (280, 718883), (308, 653530), (385, 522824), (440, 457471), (616, 326765), (770, 261412), (1540, 130706), (3080, 65353)]

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