About the Number

201855290

201855289 ← → 201855291

2進数表記:1100000010000001000100111010

漢数字表記:二億百八十五万五千二百九十

素因数分解:

2 1 × 5 1 × 7 1 × 13 2 × 113 1 × 151 1

素因数の和:304
約数の個数: 96
約数和(自身を含む): 456627456
約数和(自身を除く): 254772166

約数列:
[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 113, 130, 151, 169, 182, 226, 302, 338, 455, 565, 755, 791, 845, 910, 1057, 1130, 1183, 1469, 1510, 1582, 1690, 1963, 2114, 2366, 2938, 3926, 3955, 5285, 5915, 7345, 7910, 9815, 10283, 10570, 11830, 13741, 14690, 17063, 19097, 19630, 20566, 25519, 27482, 34126, 38194, 51038, 51415, 68705, 85315, 95485, 102830, 119441, 127595, 133679, 137410, 170630, 178633, 190970, 221819, 238882, 255190, 267358, 357266, 443638, 597205, 668395, 893165, 1109095, 1194410, 1336790, 1552733, 1786330, 2218190, 2883647, 3105466, 5767294, 7763665, 14418235, 15527330, 20185529, 28836470, 40371058, 100927645, 201855290]

約数ペア:
[(1, 201855290), (2, 100927645), (5, 40371058), (7, 28836470), (10, 20185529), (13, 15527330), (14, 14418235), (26, 7763665), (35, 5767294), (65, 3105466), (70, 2883647), (91, 2218190), (113, 1786330), (130, 1552733), (151, 1336790), (169, 1194410), (182, 1109095), (226, 893165), (302, 668395), (338, 597205), (455, 443638), (565, 357266), (755, 267358), (791, 255190), (845, 238882), (910, 221819), (1057, 190970), (1130, 178633), (1183, 170630), (1469, 137410), (1510, 133679), (1582, 127595), (1690, 119441), (1963, 102830), (2114, 95485), (2366, 85315), (2938, 68705), (3926, 51415), (3955, 51038), (5285, 38194), (5915, 34126), (7345, 27482), (7910, 25519), (9815, 20566), (10283, 19630), (10570, 19097), (11830, 17063), (13741, 14690)]

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