About the Number

138889728

138889727 ← → 138889729

2進数表記:1000010001110100101000000000

漢数字表記:一億三千八百八十八万九千七百二十八

素因数分解:

2 9 × 3 4 × 17 1 × 197 1

素因数の和:244
約数の個数: 200
約数和(自身を含む): 441162612
約数和(自身を除く): 302272884

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 81, 96, 102, 108, 128, 136, 144, 153, 162, 192, 197, 204, 216, 256, 272, 288, 306, 324, 384, 394, 408, 432, 459, 512, 544, 576, 591, 612, 648, 768, 788, 816, 864, 918, 1088, 1152, 1182, 1224, 1296, 1377, 1536, 1576, 1632, 1728, 1773, 1836, 2176, 2304, 2364, 2448, 2592, 2754, 3152, 3264, 3349, 3456, 3546, 3672, 4352, 4608, 4728, 4896, 5184, 5319, 5508, 6304, 6528, 6698, 6912, 7092, 7344, 8704, 9456, 9792, 10047, 10368, 10638, 11016, 12608, 13056, 13396, 13824, 14184, 14688, 15957, 18912, 19584, 20094, 20736, 21276, 22032, 25216, 26112, 26792, 28368, 29376, 30141, 31914, 37824, 39168, 40188, 41472, 42552, 44064, 50432, 53584, 56736, 58752, 60282, 63828, 75648, 78336, 80376, 85104, 88128, 90423, 100864, 107168, 113472, 117504, 120564, 127656, 151296, 160752, 170208, 176256, 180846, 214336, 226944, 235008, 241128, 255312, 271269, 302592, 321504, 340416, 352512, 361692, 428672, 453888, 482256, 510624, 542538, 643008, 680832, 705024, 723384, 857344, 907776, 964512, 1021248, 1085076, 1286016, 1361664, 1446768, 1714688, 1929024, 2042496, 2170152, 2572032, 2723328, 2893536, 3858048, 4084992, 4340304, 5144064, 5787072, 7716096, 8169984, 8680608, 11574144, 15432192, 17361216, 23148288, 34722432, 46296576, 69444864, 138889728]

約数ペア:
[(1, 138889728), (2, 69444864), (3, 46296576), (4, 34722432), (6, 23148288), (8, 17361216), (9, 15432192), (12, 11574144), (16, 8680608), (17, 8169984), (18, 7716096), (24, 5787072), (27, 5144064), (32, 4340304), (34, 4084992), (36, 3858048), (48, 2893536), (51, 2723328), (54, 2572032), (64, 2170152), (68, 2042496), (72, 1929024), (81, 1714688), (96, 1446768), (102, 1361664), (108, 1286016), (128, 1085076), (136, 1021248), (144, 964512), (153, 907776), (162, 857344), (192, 723384), (197, 705024), (204, 680832), (216, 643008), (256, 542538), (272, 510624), (288, 482256), (306, 453888), (324, 428672), (384, 361692), (394, 352512), (408, 340416), (432, 321504), (459, 302592), (512, 271269), (544, 255312), (576, 241128), (591, 235008), (612, 226944), (648, 214336), (768, 180846), (788, 176256), (816, 170208), (864, 160752), (918, 151296), (1088, 127656), (1152, 120564), (1182, 117504), (1224, 113472), (1296, 107168), (1377, 100864), (1536, 90423), (1576, 88128), (1632, 85104), (1728, 80376), (1773, 78336), (1836, 75648), (2176, 63828), (2304, 60282), (2364, 58752), (2448, 56736), (2592, 53584), (2754, 50432), (3152, 44064), (3264, 42552), (3349, 41472), (3456, 40188), (3546, 39168), (3672, 37824), (4352, 31914), (4608, 30141), (4728, 29376), (4896, 28368), (5184, 26792), (5319, 26112), (5508, 25216), (6304, 22032), (6528, 21276), (6698, 20736), (6912, 20094), (7092, 19584), (7344, 18912), (8704, 15957), (9456, 14688), (9792, 14184), (10047, 13824), (10368, 13396), (10638, 13056), (11016, 12608)]

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