About the Number

129721968

129721967 ← → 129721969

2進数表記:111101110110110011001110000

漢数字表記:一億二千九百七十二万千九百六十八

素因数分解:

2 4 × 3 2 × 17 1 × 19 1 × 2789 1

素因数の和:2839
約数の個数: 120
約数和(自身を含む): 404773200
約数和(自身を除く): 275051232

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 34, 36, 38, 48, 51, 57, 68, 72, 76, 102, 114, 136, 144, 152, 153, 171, 204, 228, 272, 304, 306, 323, 342, 408, 456, 612, 646, 684, 816, 912, 969, 1224, 1292, 1368, 1938, 2448, 2584, 2736, 2789, 2907, 3876, 5168, 5578, 5814, 7752, 8367, 11156, 11628, 15504, 16734, 22312, 23256, 25101, 33468, 44624, 46512, 47413, 50202, 52991, 66936, 94826, 100404, 105982, 133872, 142239, 158973, 189652, 200808, 211964, 284478, 317946, 379304, 401616, 423928, 426717, 476919, 568956, 635892, 758608, 847856, 853434, 900847, 953838, 1137912, 1271784, 1706868, 1801694, 1907676, 2275824, 2543568, 2702541, 3413736, 3603388, 3815352, 5405082, 6827472, 7206776, 7630704, 8107623, 10810164, 14413552, 16215246, 21620328, 32430492, 43240656, 64860984, 129721968]

約数ペア:
[(1, 129721968), (2, 64860984), (3, 43240656), (4, 32430492), (6, 21620328), (8, 16215246), (9, 14413552), (12, 10810164), (16, 8107623), (17, 7630704), (18, 7206776), (19, 6827472), (24, 5405082), (34, 3815352), (36, 3603388), (38, 3413736), (48, 2702541), (51, 2543568), (57, 2275824), (68, 1907676), (72, 1801694), (76, 1706868), (102, 1271784), (114, 1137912), (136, 953838), (144, 900847), (152, 853434), (153, 847856), (171, 758608), (204, 635892), (228, 568956), (272, 476919), (304, 426717), (306, 423928), (323, 401616), (342, 379304), (408, 317946), (456, 284478), (612, 211964), (646, 200808), (684, 189652), (816, 158973), (912, 142239), (969, 133872), (1224, 105982), (1292, 100404), (1368, 94826), (1938, 66936), (2448, 52991), (2584, 50202), (2736, 47413), (2789, 46512), (2907, 44624), (3876, 33468), (5168, 25101), (5578, 23256), (5814, 22312), (7752, 16734), (8367, 15504), (11156, 11628)]

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