About the Number

268190720

268190719 ← → 268190721

2進数表記:1111111111000100010000000000

漢数字表記:二億六千八百十九万七百二十

素因数分解:

2 10 × 5 1 × 7 2 × 1069 1

素因数の和:1108
約数の個数: 132
約数和(自身を含む): 749079180
約数和(自身を除く): 480888460

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1024, 1069, 1120, 1280, 1568, 1792, 1960, 2138, 2240, 2560, 3136, 3584, 3920, 4276, 4480, 5120, 5345, 6272, 7168, 7483, 7840, 8552, 8960, 10690, 12544, 14966, 15680, 17104, 17920, 21380, 25088, 29932, 31360, 34208, 35840, 37415, 42760, 50176, 52381, 59864, 62720, 68416, 74830, 85520, 104762, 119728, 125440, 136832, 149660, 171040, 209524, 239456, 250880, 261905, 273664, 299320, 342080, 419048, 478912, 523810, 547328, 598640, 684160, 838096, 957824, 1047620, 1094656, 1197280, 1368320, 1676192, 1915648, 2095240, 2394560, 2736640, 3352384, 3831296, 4190480, 4789120, 5473280, 6704768, 7662592, 8380960, 9578240, 13409536, 16761920, 19156480, 26819072, 33523840, 38312960, 53638144, 67047680, 134095360, 268190720]

約数ペア:
[(1, 268190720), (2, 134095360), (4, 67047680), (5, 53638144), (7, 38312960), (8, 33523840), (10, 26819072), (14, 19156480), (16, 16761920), (20, 13409536), (28, 9578240), (32, 8380960), (35, 7662592), (40, 6704768), (49, 5473280), (56, 4789120), (64, 4190480), (70, 3831296), (80, 3352384), (98, 2736640), (112, 2394560), (128, 2095240), (140, 1915648), (160, 1676192), (196, 1368320), (224, 1197280), (245, 1094656), (256, 1047620), (280, 957824), (320, 838096), (392, 684160), (448, 598640), (490, 547328), (512, 523810), (560, 478912), (640, 419048), (784, 342080), (896, 299320), (980, 273664), (1024, 261905), (1069, 250880), (1120, 239456), (1280, 209524), (1568, 171040), (1792, 149660), (1960, 136832), (2138, 125440), (2240, 119728), (2560, 104762), (3136, 85520), (3584, 74830), (3920, 68416), (4276, 62720), (4480, 59864), (5120, 52381), (5345, 50176), (6272, 42760), (7168, 37415), (7483, 35840), (7840, 34208), (8552, 31360), (8960, 29932), (10690, 25088), (12544, 21380), (14966, 17920), (15680, 17104)]

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