About the Number

128540384

128540383 ← → 128540385

2進数表記:111101010010101111011100000

漢数字表記:一億二千八百五十四万三百八十四

素因数分解:

2 5 × 7 1 × 31 1 × 107 1 × 173 1

素因数の和:328
約数の個数: 96
約数和(自身を含む): 303077376
約数和(自身を除く): 174536992

約数列:
[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 107, 112, 124, 173, 214, 217, 224, 248, 346, 428, 434, 496, 692, 749, 856, 868, 992, 1211, 1384, 1498, 1712, 1736, 2422, 2768, 2996, 3317, 3424, 3472, 4844, 5363, 5536, 5992, 6634, 6944, 9688, 10726, 11984, 13268, 18511, 19376, 21452, 23219, 23968, 26536, 37022, 37541, 38752, 42904, 46438, 53072, 74044, 75082, 85808, 92876, 106144, 129577, 148088, 150164, 171616, 185752, 259154, 296176, 300328, 371504, 518308, 573841, 592352, 600656, 743008, 1036616, 1147682, 1201312, 2073232, 2295364, 4016887, 4146464, 4590728, 8033774, 9181456, 16067548, 18362912, 32135096, 64270192, 128540384]

約数ペア:
[(1, 128540384), (2, 64270192), (4, 32135096), (7, 18362912), (8, 16067548), (14, 9181456), (16, 8033774), (28, 4590728), (31, 4146464), (32, 4016887), (56, 2295364), (62, 2073232), (107, 1201312), (112, 1147682), (124, 1036616), (173, 743008), (214, 600656), (217, 592352), (224, 573841), (248, 518308), (346, 371504), (428, 300328), (434, 296176), (496, 259154), (692, 185752), (749, 171616), (856, 150164), (868, 148088), (992, 129577), (1211, 106144), (1384, 92876), (1498, 85808), (1712, 75082), (1736, 74044), (2422, 53072), (2768, 46438), (2996, 42904), (3317, 38752), (3424, 37541), (3472, 37022), (4844, 26536), (5363, 23968), (5536, 23219), (5992, 21452), (6634, 19376), (6944, 18511), (9688, 13268), (10726, 11984)]

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