About the Number

201213040

201213039 ← → 201213041

2進数表記:1011111111100100010001110000

漢数字表記:二億百二十一万三千四十

素因数分解:

2 4 × 5 1 × 7 1 × 19 1 × 18911 1

素因数の和:18950
約数の個数: 80
約数和(自身を含む): 562821120
約数和(自身を除く): 361608080

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 18911, 37822, 75644, 94555, 132377, 151288, 189110, 264754, 302576, 359309, 378220, 529508, 661885, 718618, 756440, 1059016, 1323770, 1437236, 1512880, 1796545, 2118032, 2515163, 2647540, 2874472, 3593090, 5030326, 5295080, 5748944, 7186180, 10060652, 10590160, 12575815, 14372360, 20121304, 25151630, 28744720, 40242608, 50303260, 100606520, 201213040]

約数ペア:
[(1, 201213040), (2, 100606520), (4, 50303260), (5, 40242608), (7, 28744720), (8, 25151630), (10, 20121304), (14, 14372360), (16, 12575815), (19, 10590160), (20, 10060652), (28, 7186180), (35, 5748944), (38, 5295080), (40, 5030326), (56, 3593090), (70, 2874472), (76, 2647540), (80, 2515163), (95, 2118032), (112, 1796545), (133, 1512880), (140, 1437236), (152, 1323770), (190, 1059016), (266, 756440), (280, 718618), (304, 661885), (380, 529508), (532, 378220), (560, 359309), (665, 302576), (760, 264754), (1064, 189110), (1330, 151288), (1520, 132377), (2128, 94555), (2660, 75644), (5320, 37822), (10640, 18911)]

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