About the Number

394488640

394488639 ← → 394488641

2進数表記:10111100000110110101101000000

漢数字表記:三億九千四百四十八万八千六百四十

素因数分解:

2 6 × 5 1 × 7 1 × 13 1 × 19 1 × 23 1 × 31 1

素因数の和:110
約数の個数: 448
約数和(自身を含む): 1310883840
約数和(自身を除く): 916395200

約数列:
[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 23, 26, 28, 31, 32, 35, 38, 40, 46, 52, 56, 62, 64, 65, 70, 76, 80, 91, 92, 95, 104, 112, 115, 124, 130, 133, 140, 152, 155, 160, 161, 182, 184, 190, 208, 217, 224, 230, 247, 248, 260, 266, 280, 299, 304, 310, 320, 322, 364, 368, 380, 403, 416, 434, 437, 448, 455, 460, 494, 496, 520, 532, 560, 589, 598, 608, 620, 644, 665, 713, 728, 736, 760, 805, 806, 832, 868, 874, 910, 920, 988, 992, 1040, 1064, 1085, 1120, 1178, 1196, 1216, 1235, 1240, 1288, 1330, 1426, 1456, 1472, 1495, 1520, 1610, 1612, 1729, 1736, 1748, 1820, 1840, 1976, 1984, 2015, 2080, 2093, 2128, 2170, 2185, 2240, 2356, 2392, 2470, 2480, 2576, 2660, 2821, 2852, 2912, 2945, 2990, 3040, 3059, 3220, 3224, 3458, 3472, 3496, 3565, 3640, 3680, 3952, 4030, 4123, 4160, 4186, 4256, 4340, 4370, 4712, 4784, 4940, 4960, 4991, 5152, 5320, 5642, 5681, 5704, 5824, 5890, 5980, 6080, 6118, 6440, 6448, 6916, 6944, 6992, 7130, 7280, 7360, 7657, 7904, 8060, 8246, 8372, 8512, 8645, 8680, 8740, 9269, 9424, 9568, 9880, 9920, 9982, 10304, 10465, 10640, 11284, 11362, 11408, 11780, 11960, 12236, 12880, 12896, 13547, 13832, 13888, 13984, 14105, 14260, 14560, 15295, 15314, 15808, 16120, 16492, 16744, 17290, 17360, 17480, 18538, 18848, 19136, 19760, 19964, 20615, 20930, 21280, 22568, 22724, 22816, 23560, 23920, 24472, 24955, 25760, 25792, 27094, 27664, 27968, 28210, 28405, 28520, 29120, 30590, 30628, 32240, 32984, 33488, 34580, 34720, 34960, 37076, 37696, 38285, 39520, 39767, 39928, 41230, 41860, 42560, 45136, 45448, 45632, 46345, 47120, 47840, 48944, 49910, 51520, 53599, 54188, 55328, 56420, 56810, 57040, 61180, 61256, 64480, 64883, 65968, 66976, 67735, 69160, 69440, 69920, 74152, 76570, 79040, 79534, 79856, 82460, 83720, 90272, 90896, 92690, 94240, 94829, 95680, 97888, 99820, 107198, 108376, 110656, 112840, 113620, 114080, 122360, 122512, 128960, 129766, 131936, 133952, 135470, 138320, 139840, 148304, 153140, 159068, 159712, 164920, 167440, 176111, 180544, 181792, 185380, 188480, 189658, 195776, 198835, 199640, 214396, 216752, 225680, 227240, 228160, 244720, 245024, 259532, 263872, 267995, 270940, 276640, 296608, 306280, 318136, 319424, 324415, 329840, 334880, 352222, 363584, 370760, 379316, 397670, 399280, 428792, 433504, 451360, 454480, 474145, 489440, 490048, 519064, 535990, 541880, 553280, 593216, 612560, 636272, 648830, 659680, 669760, 704444, 741520, 758632, 795340, 798560, 857584, 867008, 880555, 902720, 908960, 948290, 978880, 1038128, 1071980, 1083760, 1225120, 1232777, 1272544, 1297660, 1319360, 1408888, 1483040, 1517264, 1590680, 1597120, 1715168, 1761110, 1817920, 1896580, 2076256, 2143960, 2167520, 2450240, 2465554, 2545088, 2595320, 2817776, 2966080, 3034528, 3181360, 3430336, 3522220, 3793160, 4152512, 4287920, 4335040, 4931108, 5190640, 5635552, 6069056, 6163885, 6362720, 7044440, 7586320, 8575840, 9862216, 10381280, 11271104, 12327770, 12725440, 14088880, 15172640, 17151680, 19724432, 20762560, 24655540, 28177760, 30345280, 39448864, 49311080, 56355520, 78897728, 98622160, 197244320, 394488640]

約数ペア:
[(1, 394488640), (2, 197244320), (4, 98622160), (5, 78897728), (7, 56355520), (8, 49311080), (10, 39448864), (13, 30345280), (14, 28177760), (16, 24655540), (19, 20762560), (20, 19724432), (23, 17151680), (26, 15172640), (28, 14088880), (31, 12725440), (32, 12327770), (35, 11271104), (38, 10381280), (40, 9862216), (46, 8575840), (52, 7586320), (56, 7044440), (62, 6362720), (64, 6163885), (65, 6069056), (70, 5635552), (76, 5190640), (80, 4931108), (91, 4335040), (92, 4287920), (95, 4152512), (104, 3793160), (112, 3522220), (115, 3430336), (124, 3181360), (130, 3034528), (133, 2966080), (140, 2817776), (152, 2595320), (155, 2545088), (160, 2465554), (161, 2450240), (182, 2167520), (184, 2143960), (190, 2076256), (208, 1896580), (217, 1817920), (224, 1761110), (230, 1715168), (247, 1597120), (248, 1590680), (260, 1517264), (266, 1483040), (280, 1408888), (299, 1319360), (304, 1297660), (310, 1272544), (320, 1232777), (322, 1225120), (364, 1083760), (368, 1071980), (380, 1038128), (403, 978880), (416, 948290), (434, 908960), (437, 902720), (448, 880555), (455, 867008), (460, 857584), (494, 798560), (496, 795340), (520, 758632), (532, 741520), (560, 704444), (589, 669760), (598, 659680), (608, 648830), (620, 636272), (644, 612560), (665, 593216), (713, 553280), (728, 541880), (736, 535990), (760, 519064), (805, 490048), (806, 489440), (832, 474145), (868, 454480), (874, 451360), (910, 433504), (920, 428792), (988, 399280), (992, 397670), (1040, 379316), (1064, 370760), (1085, 363584), (1120, 352222), (1178, 334880), (1196, 329840), (1216, 324415), (1235, 319424), (1240, 318136), (1288, 306280), (1330, 296608), (1426, 276640), (1456, 270940), (1472, 267995), (1495, 263872), (1520, 259532), (1610, 245024), (1612, 244720), (1729, 228160), (1736, 227240), (1748, 225680), (1820, 216752), (1840, 214396), (1976, 199640), (1984, 198835), (2015, 195776), (2080, 189658), (2093, 188480), (2128, 185380), (2170, 181792), (2185, 180544), (2240, 176111), (2356, 167440), (2392, 164920), (2470, 159712), (2480, 159068), (2576, 153140), (2660, 148304), (2821, 139840), (2852, 138320), (2912, 135470), (2945, 133952), (2990, 131936), (3040, 129766), (3059, 128960), (3220, 122512), (3224, 122360), (3458, 114080), (3472, 113620), (3496, 112840), (3565, 110656), (3640, 108376), (3680, 107198), (3952, 99820), (4030, 97888), (4123, 95680), (4160, 94829), (4186, 94240), (4256, 92690), (4340, 90896), (4370, 90272), (4712, 83720), (4784, 82460), (4940, 79856), (4960, 79534), (4991, 79040), (5152, 76570), (5320, 74152), (5642, 69920), (5681, 69440), (5704, 69160), (5824, 67735), (5890, 66976), (5980, 65968), (6080, 64883), (6118, 64480), (6440, 61256), (6448, 61180), (6916, 57040), (6944, 56810), (6992, 56420), (7130, 55328), (7280, 54188), (7360, 53599), (7657, 51520), (7904, 49910), (8060, 48944), (8246, 47840), (8372, 47120), (8512, 46345), (8645, 45632), (8680, 45448), (8740, 45136), (9269, 42560), (9424, 41860), (9568, 41230), (9880, 39928), (9920, 39767), (9982, 39520), (10304, 38285), (10465, 37696), (10640, 37076), (11284, 34960), (11362, 34720), (11408, 34580), (11780, 33488), (11960, 32984), (12236, 32240), (12880, 30628), (12896, 30590), (13547, 29120), (13832, 28520), (13888, 28405), (13984, 28210), (14105, 27968), (14260, 27664), (14560, 27094), (15295, 25792), (15314, 25760), (15808, 24955), (16120, 24472), (16492, 23920), (16744, 23560), (17290, 22816), (17360, 22724), (17480, 22568), (18538, 21280), (18848, 20930), (19136, 20615), (19760, 19964)]

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