About the Number

201288640

201288639 ← → 201288641

2進数表記:1011111111110110101111000000

漢数字表記:二億百二十八万八千六百四十

素因数分解:

2 6 × 5 1 × 7 1 × 23 1 × 3907 1

素因数の和:3954
約数の個数: 112
約数和(自身を含む): 571756032
約数和(自身を除く): 370467392

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 644, 736, 805, 920, 1120, 1288, 1472, 1610, 1840, 2240, 2576, 3220, 3680, 3907, 5152, 6440, 7360, 7814, 10304, 12880, 15628, 19535, 25760, 27349, 31256, 39070, 51520, 54698, 62512, 78140, 89861, 109396, 125024, 136745, 156280, 179722, 218792, 250048, 273490, 312560, 359444, 437584, 449305, 546980, 625120, 629027, 718888, 875168, 898610, 1093960, 1250240, 1258054, 1437776, 1750336, 1797220, 2187920, 2516108, 2875552, 3145135, 3594440, 4375840, 5032216, 5751104, 6290270, 7188880, 8751680, 10064432, 12580540, 14377760, 20128864, 25161080, 28755520, 40257728, 50322160, 100644320, 201288640]

約数ペア:
[(1, 201288640), (2, 100644320), (4, 50322160), (5, 40257728), (7, 28755520), (8, 25161080), (10, 20128864), (14, 14377760), (16, 12580540), (20, 10064432), (23, 8751680), (28, 7188880), (32, 6290270), (35, 5751104), (40, 5032216), (46, 4375840), (56, 3594440), (64, 3145135), (70, 2875552), (80, 2516108), (92, 2187920), (112, 1797220), (115, 1750336), (140, 1437776), (160, 1258054), (161, 1250240), (184, 1093960), (224, 898610), (230, 875168), (280, 718888), (320, 629027), (322, 625120), (368, 546980), (448, 449305), (460, 437584), (560, 359444), (644, 312560), (736, 273490), (805, 250048), (920, 218792), (1120, 179722), (1288, 156280), (1472, 136745), (1610, 125024), (1840, 109396), (2240, 89861), (2576, 78140), (3220, 62512), (3680, 54698), (3907, 51520), (5152, 39070), (6440, 31256), (7360, 27349), (7814, 25760), (10304, 19535), (12880, 15628)]

このpageの処理時間: 0.008453845977783203 seconds