About the Number

216856640

216856639 ← → 216856641

2進数表記:1100111011001111100001000000

漢数字表記:二億千六百八十五万六千六百四十

素因数分解:

2 6 × 5 1 × 7 1 × 11 1 × 13 1 × 677 1

素因数の和:725
約数の個数: 224
約数和(自身を含む): 694358784
約数和(自身を除く): 477502144

約数列:
[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 64, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 160, 176, 182, 208, 220, 224, 260, 280, 286, 308, 320, 352, 364, 385, 416, 440, 448, 455, 520, 560, 572, 616, 677, 704, 715, 728, 770, 832, 880, 910, 1001, 1040, 1120, 1144, 1232, 1354, 1430, 1456, 1540, 1760, 1820, 2002, 2080, 2240, 2288, 2464, 2708, 2860, 2912, 3080, 3385, 3520, 3640, 4004, 4160, 4576, 4739, 4928, 5005, 5416, 5720, 5824, 6160, 6770, 7280, 7447, 8008, 8801, 9152, 9478, 10010, 10832, 11440, 12320, 13540, 14560, 14894, 16016, 17602, 18956, 20020, 21664, 22880, 23695, 24640, 27080, 29120, 29788, 32032, 35204, 37235, 37912, 40040, 43328, 44005, 45760, 47390, 52129, 54160, 59576, 61607, 64064, 70408, 74470, 75824, 80080, 88010, 94780, 96811, 104258, 108320, 119152, 123214, 140816, 148940, 151648, 160160, 176020, 189560, 193622, 208516, 216640, 238304, 246428, 260645, 281632, 297880, 303296, 308035, 320320, 352040, 379120, 387244, 417032, 476608, 484055, 492856, 521290, 563264, 595760, 616070, 677677, 704080, 758240, 774488, 834064, 968110, 985712, 1042580, 1191520, 1232140, 1355354, 1408160, 1516480, 1548976, 1668128, 1936220, 1971424, 2085160, 2383040, 2464280, 2710708, 2816320, 3097952, 3336256, 3388385, 3872440, 3942848, 4170320, 4928560, 5421416, 6195904, 6776770, 7744880, 8340640, 9857120, 10842832, 13553540, 15489760, 16681280, 19714240, 21685664, 27107080, 30979520, 43371328, 54214160, 108428320, 216856640]

約数ペア:
[(1, 216856640), (2, 108428320), (4, 54214160), (5, 43371328), (7, 30979520), (8, 27107080), (10, 21685664), (11, 19714240), (13, 16681280), (14, 15489760), (16, 13553540), (20, 10842832), (22, 9857120), (26, 8340640), (28, 7744880), (32, 6776770), (35, 6195904), (40, 5421416), (44, 4928560), (52, 4170320), (55, 3942848), (56, 3872440), (64, 3388385), (65, 3336256), (70, 3097952), (77, 2816320), (80, 2710708), (88, 2464280), (91, 2383040), (104, 2085160), (110, 1971424), (112, 1936220), (130, 1668128), (140, 1548976), (143, 1516480), (154, 1408160), (160, 1355354), (176, 1232140), (182, 1191520), (208, 1042580), (220, 985712), (224, 968110), (260, 834064), (280, 774488), (286, 758240), (308, 704080), (320, 677677), (352, 616070), (364, 595760), (385, 563264), (416, 521290), (440, 492856), (448, 484055), (455, 476608), (520, 417032), (560, 387244), (572, 379120), (616, 352040), (677, 320320), (704, 308035), (715, 303296), (728, 297880), (770, 281632), (832, 260645), (880, 246428), (910, 238304), (1001, 216640), (1040, 208516), (1120, 193622), (1144, 189560), (1232, 176020), (1354, 160160), (1430, 151648), (1456, 148940), (1540, 140816), (1760, 123214), (1820, 119152), (2002, 108320), (2080, 104258), (2240, 96811), (2288, 94780), (2464, 88010), (2708, 80080), (2860, 75824), (2912, 74470), (3080, 70408), (3385, 64064), (3520, 61607), (3640, 59576), (4004, 54160), (4160, 52129), (4576, 47390), (4739, 45760), (4928, 44005), (5005, 43328), (5416, 40040), (5720, 37912), (5824, 37235), (6160, 35204), (6770, 32032), (7280, 29788), (7447, 29120), (8008, 27080), (8801, 24640), (9152, 23695), (9478, 22880), (10010, 21664), (10832, 20020), (11440, 18956), (12320, 17602), (13540, 16016), (14560, 14894)]

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