About the Number

208880672

208880671 ← → 208880673

2進数表記:1100011100110100010000100000

漢数字表記:二億八百八十八万六百七十二

素因数分解:

2 5 × 7 1 × 11 1 × 13 1 × 6521 1

素因数の和:6562
約数の個数: 96
約数和(自身を含む): 552230784
約数和(自身を除く): 343350112

約数列:
[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 224, 286, 308, 352, 364, 416, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 2464, 2912, 4004, 4576, 6521, 8008, 13042, 16016, 26084, 32032, 45647, 52168, 71731, 84773, 91294, 104336, 143462, 169546, 182588, 208672, 286924, 339092, 365176, 502117, 573848, 593411, 678184, 730352, 932503, 1004234, 1147696, 1186822, 1356368, 1460704, 1865006, 2008468, 2295392, 2373644, 2712736, 3730012, 4016936, 4747288, 6527521, 7460024, 8033872, 9494576, 13055042, 14920048, 16067744, 18989152, 26110084, 29840096, 52220168, 104440336, 208880672]

約数ペア:
[(1, 208880672), (2, 104440336), (4, 52220168), (7, 29840096), (8, 26110084), (11, 18989152), (13, 16067744), (14, 14920048), (16, 13055042), (22, 9494576), (26, 8033872), (28, 7460024), (32, 6527521), (44, 4747288), (52, 4016936), (56, 3730012), (77, 2712736), (88, 2373644), (91, 2295392), (104, 2008468), (112, 1865006), (143, 1460704), (154, 1356368), (176, 1186822), (182, 1147696), (208, 1004234), (224, 932503), (286, 730352), (308, 678184), (352, 593411), (364, 573848), (416, 502117), (572, 365176), (616, 339092), (728, 286924), (1001, 208672), (1144, 182588), (1232, 169546), (1456, 143462), (2002, 104336), (2288, 91294), (2464, 84773), (2912, 71731), (4004, 52168), (4576, 45647), (6521, 32032), (8008, 26084), (13042, 16016)]

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