About the Number

300800640

300800639 ← → 300800641

2進数表記:10001111011011101101010000000

漢数字表記:三億八十万六百四十

素因数分解:

2 7 × 3 1 × 5 1 × 7 1 × 22381 1

素因数の和:22410
約数の個数: 128
約数和(自身を含む): 1095822720
約数和(自身を除く): 795022080

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 22381, 44762, 67143, 89524, 111905, 134286, 156667, 179048, 223810, 268572, 313334, 335715, 358096, 447620, 470001, 537144, 626668, 671430, 716192, 783335, 895240, 940002, 1074288, 1253336, 1342860, 1432384, 1566670, 1790480, 1880004, 2148576, 2350005, 2506672, 2685720, 2864768, 3133340, 3580960, 3760008, 4297152, 4700010, 5013344, 5371440, 6266680, 7161920, 7520016, 8594304, 9400020, 10026688, 10742880, 12533360, 14323840, 15040032, 18800040, 20053376, 21485760, 25066720, 30080064, 37600080, 42971520, 50133440, 60160128, 75200160, 100266880, 150400320, 300800640]

約数ペア:
[(1, 300800640), (2, 150400320), (3, 100266880), (4, 75200160), (5, 60160128), (6, 50133440), (7, 42971520), (8, 37600080), (10, 30080064), (12, 25066720), (14, 21485760), (15, 20053376), (16, 18800040), (20, 15040032), (21, 14323840), (24, 12533360), (28, 10742880), (30, 10026688), (32, 9400020), (35, 8594304), (40, 7520016), (42, 7161920), (48, 6266680), (56, 5371440), (60, 5013344), (64, 4700010), (70, 4297152), (80, 3760008), (84, 3580960), (96, 3133340), (105, 2864768), (112, 2685720), (120, 2506672), (128, 2350005), (140, 2148576), (160, 1880004), (168, 1790480), (192, 1566670), (210, 1432384), (224, 1342860), (240, 1253336), (280, 1074288), (320, 940002), (336, 895240), (384, 783335), (420, 716192), (448, 671430), (480, 626668), (560, 537144), (640, 470001), (672, 447620), (840, 358096), (896, 335715), (960, 313334), (1120, 268572), (1344, 223810), (1680, 179048), (1920, 156667), (2240, 134286), (2688, 111905), (3360, 89524), (4480, 67143), (6720, 44762), (13440, 22381)]

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