About the Number

812809728

812809727 ← → 812809729

2進数表記:110000011100100111111000000000

漢数字表記:八億千二百八十万九千七百二十八

素因数分解:

2 9 × 3 5 × 47 1 × 139 1

素因数の和:219
約数の個数: 240
約数和(自身を含む): 2502339840
約数和(自身を除く): 1689530112

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 64, 72, 81, 94, 96, 108, 128, 139, 141, 144, 162, 188, 192, 216, 243, 256, 278, 282, 288, 324, 376, 384, 417, 423, 432, 486, 512, 556, 564, 576, 648, 752, 768, 834, 846, 864, 972, 1112, 1128, 1152, 1251, 1269, 1296, 1504, 1536, 1668, 1692, 1728, 1944, 2224, 2256, 2304, 2502, 2538, 2592, 3008, 3336, 3384, 3456, 3753, 3807, 3888, 4448, 4512, 4608, 5004, 5076, 5184, 6016, 6533, 6672, 6768, 6912, 7506, 7614, 7776, 8896, 9024, 10008, 10152, 10368, 11259, 11421, 12032, 13066, 13344, 13536, 13824, 15012, 15228, 15552, 17792, 18048, 19599, 20016, 20304, 20736, 22518, 22842, 24064, 26132, 26688, 27072, 30024, 30456, 31104, 33777, 35584, 36096, 39198, 40032, 40608, 41472, 45036, 45684, 52264, 53376, 54144, 58797, 60048, 60912, 62208, 67554, 71168, 72192, 78396, 80064, 81216, 90072, 91368, 104528, 106752, 108288, 117594, 120096, 121824, 124416, 135108, 156792, 160128, 162432, 176391, 180144, 182736, 209056, 213504, 216576, 235188, 240192, 243648, 270216, 313584, 320256, 324864, 352782, 360288, 365472, 418112, 470376, 480384, 487296, 529173, 540432, 627168, 640512, 649728, 705564, 720576, 730944, 836224, 940752, 960768, 974592, 1058346, 1080864, 1254336, 1411128, 1441152, 1461888, 1587519, 1672448, 1881504, 1921536, 1949184, 2116692, 2161728, 2508672, 2822256, 2882304, 2923776, 3175038, 3344896, 3763008, 4233384, 4323456, 5017344, 5644512, 5764608, 5847552, 6350076, 7526016, 8466768, 8646912, 10034688, 11289024, 12700152, 15052032, 16933536, 17293824, 22578048, 25400304, 30104064, 33867072, 45156096, 50800608, 67734144, 90312192, 101601216, 135468288, 203202432, 270936576, 406404864, 812809728]

約数ペア:
[(1, 812809728), (2, 406404864), (3, 270936576), (4, 203202432), (6, 135468288), (8, 101601216), (9, 90312192), (12, 67734144), (16, 50800608), (18, 45156096), (24, 33867072), (27, 30104064), (32, 25400304), (36, 22578048), (47, 17293824), (48, 16933536), (54, 15052032), (64, 12700152), (72, 11289024), (81, 10034688), (94, 8646912), (96, 8466768), (108, 7526016), (128, 6350076), (139, 5847552), (141, 5764608), (144, 5644512), (162, 5017344), (188, 4323456), (192, 4233384), (216, 3763008), (243, 3344896), (256, 3175038), (278, 2923776), (282, 2882304), (288, 2822256), (324, 2508672), (376, 2161728), (384, 2116692), (417, 1949184), (423, 1921536), (432, 1881504), (486, 1672448), (512, 1587519), (556, 1461888), (564, 1441152), (576, 1411128), (648, 1254336), (752, 1080864), (768, 1058346), (834, 974592), (846, 960768), (864, 940752), (972, 836224), (1112, 730944), (1128, 720576), (1152, 705564), (1251, 649728), (1269, 640512), (1296, 627168), (1504, 540432), (1536, 529173), (1668, 487296), (1692, 480384), (1728, 470376), (1944, 418112), (2224, 365472), (2256, 360288), (2304, 352782), (2502, 324864), (2538, 320256), (2592, 313584), (3008, 270216), (3336, 243648), (3384, 240192), (3456, 235188), (3753, 216576), (3807, 213504), (3888, 209056), (4448, 182736), (4512, 180144), (4608, 176391), (5004, 162432), (5076, 160128), (5184, 156792), (6016, 135108), (6533, 124416), (6672, 121824), (6768, 120096), (6912, 117594), (7506, 108288), (7614, 106752), (7776, 104528), (8896, 91368), (9024, 90072), (10008, 81216), (10152, 80064), (10368, 78396), (11259, 72192), (11421, 71168), (12032, 67554), (13066, 62208), (13344, 60912), (13536, 60048), (13824, 58797), (15012, 54144), (15228, 53376), (15552, 52264), (17792, 45684), (18048, 45036), (19599, 41472), (20016, 40608), (20304, 40032), (20736, 39198), (22518, 36096), (22842, 35584), (24064, 33777), (26132, 31104), (26688, 30456), (27072, 30024)]

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