About the Number

814490640

814490639 ← → 814490641

2進数表記:110000100011000010010000010000

漢数字表記:八億千四百四十九万六百四十

素因数分解:

2 4 × 3 4 × 5 1 × 125693 1

素因数の和:125718
約数の個数: 100
約数和(自身を含む): 2828869164
約数和(自身を除く): 2014378524

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 125693, 251386, 377079, 502772, 628465, 754158, 1005544, 1131237, 1256930, 1508316, 1885395, 2011088, 2262474, 2513860, 3016632, 3393711, 3770790, 4524948, 5027720, 5656185, 6033264, 6787422, 7541580, 9049896, 10055440, 10181133, 11312370, 13574844, 15083160, 16968555, 18099792, 20362266, 22624740, 27149688, 30166320, 33937110, 40724532, 45249480, 50905665, 54299376, 67874220, 81449064, 90498960, 101811330, 135748440, 162898128, 203622660, 271496880, 407245320, 814490640]

約数ペア:
[(1, 814490640), (2, 407245320), (3, 271496880), (4, 203622660), (5, 162898128), (6, 135748440), (8, 101811330), (9, 90498960), (10, 81449064), (12, 67874220), (15, 54299376), (16, 50905665), (18, 45249480), (20, 40724532), (24, 33937110), (27, 30166320), (30, 27149688), (36, 22624740), (40, 20362266), (45, 18099792), (48, 16968555), (54, 15083160), (60, 13574844), (72, 11312370), (80, 10181133), (81, 10055440), (90, 9049896), (108, 7541580), (120, 6787422), (135, 6033264), (144, 5656185), (162, 5027720), (180, 4524948), (216, 3770790), (240, 3393711), (270, 3016632), (324, 2513860), (360, 2262474), (405, 2011088), (432, 1885395), (540, 1508316), (648, 1256930), (720, 1131237), (810, 1005544), (1080, 754158), (1296, 628465), (1620, 502772), (2160, 377079), (3240, 251386), (6480, 125693)]

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