About the Number

71440040

71440039 ← → 71440041

2進数表記:100010000100001011010101000

漢数字表記:七千百四十四万四十

素因数分解:

2 3 × 5 1 × 7 3 × 41 1 × 127 1

素因数の和:200
約数の個数: 128
約数和(自身を含む): 193536000
約数和(自身を除く): 122095960

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 98, 127, 140, 164, 196, 205, 245, 254, 280, 287, 328, 343, 392, 410, 490, 508, 574, 635, 686, 820, 889, 980, 1016, 1148, 1270, 1372, 1435, 1640, 1715, 1778, 1960, 2009, 2296, 2540, 2744, 2870, 3430, 3556, 4018, 4445, 5080, 5207, 5740, 6223, 6860, 7112, 8036, 8890, 10045, 10414, 11480, 12446, 13720, 14063, 16072, 17780, 20090, 20828, 24892, 26035, 28126, 31115, 35560, 36449, 40180, 41656, 43561, 49784, 52070, 56252, 62230, 70315, 72898, 80360, 87122, 104140, 112504, 124460, 140630, 145796, 174244, 182245, 208280, 217805, 248920, 255143, 281260, 291592, 348488, 364490, 435610, 510286, 562520, 728980, 871220, 1020572, 1275715, 1457960, 1742440, 1786001, 2041144, 2551430, 3572002, 5102860, 7144004, 8930005, 10205720, 14288008, 17860010, 35720020, 71440040]

約数ペア:
[(1, 71440040), (2, 35720020), (4, 17860010), (5, 14288008), (7, 10205720), (8, 8930005), (10, 7144004), (14, 5102860), (20, 3572002), (28, 2551430), (35, 2041144), (40, 1786001), (41, 1742440), (49, 1457960), (56, 1275715), (70, 1020572), (82, 871220), (98, 728980), (127, 562520), (140, 510286), (164, 435610), (196, 364490), (205, 348488), (245, 291592), (254, 281260), (280, 255143), (287, 248920), (328, 217805), (343, 208280), (392, 182245), (410, 174244), (490, 145796), (508, 140630), (574, 124460), (635, 112504), (686, 104140), (820, 87122), (889, 80360), (980, 72898), (1016, 70315), (1148, 62230), (1270, 56252), (1372, 52070), (1435, 49784), (1640, 43561), (1715, 41656), (1778, 40180), (1960, 36449), (2009, 35560), (2296, 31115), (2540, 28126), (2744, 26035), (2870, 24892), (3430, 20828), (3556, 20090), (4018, 17780), (4445, 16072), (5080, 14063), (5207, 13720), (5740, 12446), (6223, 11480), (6860, 10414), (7112, 10045), (8036, 8890)]

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