About the Number

388040640

388040639 ← → 388040641

2進数表記:10111001000010000011111000000

漢数字表記:三億八千八百四万六百四十

素因数分解:

2 6 × 3 1 × 5 1 × 13 1 × 17 1 × 31 1 × 59 1

素因数の和:140
約数の個数: 448
約数和(自身を含む): 1474744320
約数和(自身を除く): 1086703680

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 31, 32, 34, 39, 40, 48, 51, 52, 59, 60, 62, 64, 65, 68, 78, 80, 85, 93, 96, 102, 104, 118, 120, 124, 130, 136, 155, 156, 160, 170, 177, 186, 192, 195, 204, 208, 221, 236, 240, 248, 255, 260, 272, 295, 310, 312, 320, 340, 354, 372, 390, 403, 408, 416, 442, 465, 472, 480, 496, 510, 520, 527, 544, 590, 620, 624, 663, 680, 708, 744, 767, 780, 806, 816, 832, 884, 885, 930, 944, 960, 992, 1003, 1020, 1040, 1054, 1088, 1105, 1180, 1209, 1240, 1248, 1326, 1360, 1416, 1488, 1534, 1560, 1581, 1612, 1632, 1768, 1770, 1829, 1860, 1888, 1984, 2006, 2015, 2040, 2080, 2108, 2210, 2301, 2360, 2418, 2480, 2496, 2635, 2652, 2720, 2832, 2976, 3009, 3068, 3120, 3162, 3224, 3264, 3315, 3536, 3540, 3658, 3720, 3776, 3835, 4012, 4030, 4080, 4160, 4216, 4420, 4602, 4720, 4836, 4960, 5015, 5270, 5304, 5440, 5487, 5664, 5952, 6018, 6045, 6136, 6240, 6324, 6448, 6630, 6851, 7072, 7080, 7316, 7440, 7670, 7905, 8024, 8060, 8160, 8432, 8840, 9145, 9204, 9440, 9672, 9920, 10030, 10540, 10608, 10974, 11328, 11505, 12036, 12090, 12272, 12480, 12648, 12896, 13039, 13260, 13702, 14144, 14160, 14632, 14880, 15045, 15340, 15810, 16048, 16120, 16320, 16864, 17680, 18290, 18408, 18880, 19344, 20060, 20553, 21080, 21216, 21948, 23010, 23777, 24072, 24180, 24544, 25296, 25792, 26078, 26520, 27404, 27435, 28320, 29264, 29760, 30090, 30680, 31093, 31620, 32096, 32240, 33728, 34255, 35360, 36580, 36816, 38688, 39117, 40120, 41106, 42160, 42432, 43896, 46020, 47554, 48144, 48360, 49088, 50592, 52156, 53040, 54808, 54870, 56640, 58528, 60180, 61360, 62186, 63240, 64192, 64480, 65195, 68510, 70720, 71331, 73160, 73632, 77376, 78234, 80240, 82212, 84320, 87792, 92040, 93279, 95108, 96288, 96720, 101184, 102765, 104312, 106080, 109616, 109740, 117056, 118885, 120360, 122720, 124372, 126480, 128960, 130390, 137020, 142662, 146320, 147264, 155465, 156468, 160480, 164424, 168640, 175584, 184080, 186558, 190216, 192576, 193440, 195585, 205530, 208624, 212160, 219232, 219480, 237770, 240720, 245440, 248744, 252960, 260780, 274040, 285324, 292640, 310930, 312936, 320960, 328848, 351168, 356655, 368160, 373116, 380432, 386880, 391170, 404209, 411060, 417248, 438464, 438960, 466395, 475540, 481440, 497488, 505920, 521560, 548080, 570648, 585280, 621860, 625872, 657696, 713310, 736320, 746232, 760864, 782340, 808418, 822120, 834496, 877920, 932790, 951080, 962880, 994976, 1043120, 1096160, 1141296, 1212627, 1243720, 1251744, 1315392, 1426620, 1492464, 1521728, 1564680, 1616836, 1644240, 1755840, 1865580, 1902160, 1989952, 2021045, 2086240, 2192320, 2282592, 2425254, 2487440, 2503488, 2853240, 2984928, 3129360, 3233672, 3288480, 3731160, 3804320, 4042090, 4172480, 4565184, 4850508, 4974880, 5706480, 5969856, 6063135, 6258720, 6467344, 6576960, 7462320, 7608640, 8084180, 9701016, 9949760, 11412960, 12126270, 12517440, 12934688, 14924640, 16168360, 19402032, 22825920, 24252540, 25869376, 29849280, 32336720, 38804064, 48505080, 64673440, 77608128, 97010160, 129346880, 194020320, 388040640]

約数ペア:
[(1, 388040640), (2, 194020320), (3, 129346880), (4, 97010160), (5, 77608128), (6, 64673440), (8, 48505080), (10, 38804064), (12, 32336720), (13, 29849280), (15, 25869376), (16, 24252540), (17, 22825920), (20, 19402032), (24, 16168360), (26, 14924640), (30, 12934688), (31, 12517440), (32, 12126270), (34, 11412960), (39, 9949760), (40, 9701016), (48, 8084180), (51, 7608640), (52, 7462320), (59, 6576960), (60, 6467344), (62, 6258720), (64, 6063135), (65, 5969856), (68, 5706480), (78, 4974880), (80, 4850508), (85, 4565184), (93, 4172480), (96, 4042090), (102, 3804320), (104, 3731160), (118, 3288480), (120, 3233672), (124, 3129360), (130, 2984928), (136, 2853240), (155, 2503488), (156, 2487440), (160, 2425254), (170, 2282592), (177, 2192320), (186, 2086240), (192, 2021045), (195, 1989952), (204, 1902160), (208, 1865580), (221, 1755840), (236, 1644240), (240, 1616836), (248, 1564680), (255, 1521728), (260, 1492464), (272, 1426620), (295, 1315392), (310, 1251744), (312, 1243720), (320, 1212627), (340, 1141296), (354, 1096160), (372, 1043120), (390, 994976), (403, 962880), (408, 951080), (416, 932790), (442, 877920), (465, 834496), (472, 822120), (480, 808418), (496, 782340), (510, 760864), (520, 746232), (527, 736320), (544, 713310), (590, 657696), (620, 625872), (624, 621860), (663, 585280), (680, 570648), (708, 548080), (744, 521560), (767, 505920), (780, 497488), (806, 481440), (816, 475540), (832, 466395), (884, 438960), (885, 438464), (930, 417248), (944, 411060), (960, 404209), (992, 391170), (1003, 386880), (1020, 380432), (1040, 373116), (1054, 368160), (1088, 356655), (1105, 351168), (1180, 328848), (1209, 320960), (1240, 312936), (1248, 310930), (1326, 292640), (1360, 285324), (1416, 274040), (1488, 260780), (1534, 252960), (1560, 248744), (1581, 245440), (1612, 240720), (1632, 237770), (1768, 219480), (1770, 219232), (1829, 212160), (1860, 208624), (1888, 205530), (1984, 195585), (2006, 193440), (2015, 192576), (2040, 190216), (2080, 186558), (2108, 184080), (2210, 175584), (2301, 168640), (2360, 164424), (2418, 160480), (2480, 156468), (2496, 155465), (2635, 147264), (2652, 146320), (2720, 142662), (2832, 137020), (2976, 130390), (3009, 128960), (3068, 126480), (3120, 124372), (3162, 122720), (3224, 120360), (3264, 118885), (3315, 117056), (3536, 109740), (3540, 109616), (3658, 106080), (3720, 104312), (3776, 102765), (3835, 101184), (4012, 96720), (4030, 96288), (4080, 95108), (4160, 93279), (4216, 92040), (4420, 87792), (4602, 84320), (4720, 82212), (4836, 80240), (4960, 78234), (5015, 77376), (5270, 73632), (5304, 73160), (5440, 71331), (5487, 70720), (5664, 68510), (5952, 65195), (6018, 64480), (6045, 64192), (6136, 63240), (6240, 62186), (6324, 61360), (6448, 60180), (6630, 58528), (6851, 56640), (7072, 54870), (7080, 54808), (7316, 53040), (7440, 52156), (7670, 50592), (7905, 49088), (8024, 48360), (8060, 48144), (8160, 47554), (8432, 46020), (8840, 43896), (9145, 42432), (9204, 42160), (9440, 41106), (9672, 40120), (9920, 39117), (10030, 38688), (10540, 36816), (10608, 36580), (10974, 35360), (11328, 34255), (11505, 33728), (12036, 32240), (12090, 32096), (12272, 31620), (12480, 31093), (12648, 30680), (12896, 30090), (13039, 29760), (13260, 29264), (13702, 28320), (14144, 27435), (14160, 27404), (14632, 26520), (14880, 26078), (15045, 25792), (15340, 25296), (15810, 24544), (16048, 24180), (16120, 24072), (16320, 23777), (16864, 23010), (17680, 21948), (18290, 21216), (18408, 21080), (18880, 20553), (19344, 20060)]

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