About the Number

1388897280

1388897279 ← → 1388897281

2進数表記:1010010110010001110010000000000

漢数字表記:十三億八千八百八十九万七千二百八十

素因数分解:

2 10 × 3 4 × 5 1 × 17 1 × 197 1

素因数の和:251
約数の個数: 440
約数和(自身を含む): 5296538808
約数和(自身を除く): 3907641528

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 81, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 162, 170, 180, 192, 197, 204, 216, 240, 255, 256, 270, 272, 288, 306, 320, 324, 340, 360, 384, 394, 405, 408, 432, 459, 480, 510, 512, 540, 544, 576, 591, 612, 640, 648, 680, 720, 765, 768, 788, 810, 816, 864, 918, 960, 985, 1020, 1024, 1080, 1088, 1152, 1182, 1224, 1280, 1296, 1360, 1377, 1440, 1530, 1536, 1576, 1620, 1632, 1728, 1773, 1836, 1920, 1970, 2040, 2160, 2176, 2295, 2304, 2364, 2448, 2560, 2592, 2720, 2754, 2880, 2955, 3060, 3072, 3152, 3240, 3264, 3349, 3456, 3546, 3672, 3840, 3940, 4080, 4320, 4352, 4590, 4608, 4728, 4896, 5120, 5184, 5319, 5440, 5508, 5760, 5910, 6120, 6304, 6480, 6528, 6698, 6885, 6912, 7092, 7344, 7680, 7880, 8160, 8640, 8704, 8865, 9180, 9216, 9456, 9792, 10047, 10368, 10638, 10880, 11016, 11520, 11820, 12240, 12608, 12960, 13056, 13396, 13770, 13824, 14184, 14688, 15360, 15760, 15957, 16320, 16745, 17280, 17408, 17730, 18360, 18912, 19584, 20094, 20736, 21276, 21760, 22032, 23040, 23640, 24480, 25216, 25920, 26112, 26595, 26792, 27540, 27648, 28368, 29376, 30141, 31520, 31914, 32640, 33490, 34560, 35460, 36720, 37824, 39168, 40188, 41472, 42552, 43520, 44064, 46080, 47280, 48960, 50235, 50432, 51840, 52224, 53190, 53584, 55080, 56736, 58752, 60282, 63040, 63828, 65280, 66980, 69120, 70920, 73440, 75648, 78336, 79785, 80376, 82944, 85104, 87040, 88128, 90423, 94560, 97920, 100470, 100864, 103680, 106380, 107168, 110160, 113472, 117504, 120564, 126080, 127656, 130560, 133960, 138240, 141840, 146880, 150705, 151296, 156672, 159570, 160752, 170208, 176256, 180846, 189120, 195840, 200940, 201728, 207360, 212760, 214336, 220320, 226944, 235008, 241128, 252160, 255312, 261120, 267920, 271269, 283680, 293760, 301410, 302592, 319140, 321504, 340416, 352512, 361692, 378240, 391680, 401880, 414720, 425520, 428672, 440640, 452115, 453888, 470016, 482256, 504320, 510624, 535840, 542538, 567360, 587520, 602820, 605184, 638280, 643008, 680832, 705024, 723384, 756480, 783360, 803760, 851040, 857344, 881280, 904230, 907776, 964512, 1008640, 1021248, 1071680, 1085076, 1134720, 1175040, 1205640, 1276560, 1286016, 1356345, 1361664, 1410048, 1446768, 1512960, 1607520, 1702080, 1714688, 1762560, 1808460, 1815552, 1929024, 2042496, 2143360, 2170152, 2269440, 2350080, 2411280, 2553120, 2572032, 2712690, 2723328, 2893536, 3025920, 3215040, 3404160, 3429376, 3525120, 3616920, 3858048, 4084992, 4286720, 4340304, 4538880, 4822560, 5106240, 5144064, 5425380, 5446656, 5787072, 6430080, 6808320, 7050240, 7233840, 7716096, 8169984, 8573440, 8680608, 9077760, 9645120, 10212480, 10288128, 10850760, 11574144, 12860160, 13616640, 14467680, 15432192, 16339968, 17146880, 17361216, 19290240, 20424960, 21701520, 23148288, 25720320, 27233280, 28935360, 30864384, 34722432, 38580480, 40849920, 43403040, 46296576, 51440640, 57870720, 69444864, 77160960, 81699840, 86806080, 92593152, 115741440, 138889728, 154321920, 173612160, 231482880, 277779456, 347224320, 462965760, 694448640, 1388897280]

約数ペア:
[(1, 1388897280), (2, 694448640), (3, 462965760), (4, 347224320), (5, 277779456), (6, 231482880), (8, 173612160), (9, 154321920), (10, 138889728), (12, 115741440), (15, 92593152), (16, 86806080), (17, 81699840), (18, 77160960), (20, 69444864), (24, 57870720), (27, 51440640), (30, 46296576), (32, 43403040), (34, 40849920), (36, 38580480), (40, 34722432), (45, 30864384), (48, 28935360), (51, 27233280), (54, 25720320), (60, 23148288), (64, 21701520), (68, 20424960), (72, 19290240), (80, 17361216), (81, 17146880), (85, 16339968), (90, 15432192), (96, 14467680), (102, 13616640), (108, 12860160), (120, 11574144), (128, 10850760), (135, 10288128), (136, 10212480), (144, 9645120), (153, 9077760), (160, 8680608), (162, 8573440), (170, 8169984), (180, 7716096), (192, 7233840), (197, 7050240), (204, 6808320), (216, 6430080), (240, 5787072), (255, 5446656), (256, 5425380), (270, 5144064), (272, 5106240), (288, 4822560), (306, 4538880), (320, 4340304), (324, 4286720), (340, 4084992), (360, 3858048), (384, 3616920), (394, 3525120), (405, 3429376), (408, 3404160), (432, 3215040), (459, 3025920), (480, 2893536), (510, 2723328), (512, 2712690), (540, 2572032), (544, 2553120), (576, 2411280), (591, 2350080), (612, 2269440), (640, 2170152), (648, 2143360), (680, 2042496), (720, 1929024), (765, 1815552), (768, 1808460), (788, 1762560), (810, 1714688), (816, 1702080), (864, 1607520), (918, 1512960), (960, 1446768), (985, 1410048), (1020, 1361664), (1024, 1356345), (1080, 1286016), (1088, 1276560), (1152, 1205640), (1182, 1175040), (1224, 1134720), (1280, 1085076), (1296, 1071680), (1360, 1021248), (1377, 1008640), (1440, 964512), (1530, 907776), (1536, 904230), (1576, 881280), (1620, 857344), (1632, 851040), (1728, 803760), (1773, 783360), (1836, 756480), (1920, 723384), (1970, 705024), (2040, 680832), (2160, 643008), (2176, 638280), (2295, 605184), (2304, 602820), (2364, 587520), (2448, 567360), (2560, 542538), (2592, 535840), (2720, 510624), (2754, 504320), (2880, 482256), (2955, 470016), (3060, 453888), (3072, 452115), (3152, 440640), (3240, 428672), (3264, 425520), (3349, 414720), (3456, 401880), (3546, 391680), (3672, 378240), (3840, 361692), (3940, 352512), (4080, 340416), (4320, 321504), (4352, 319140), (4590, 302592), (4608, 301410), (4728, 293760), (4896, 283680), (5120, 271269), (5184, 267920), (5319, 261120), (5440, 255312), (5508, 252160), (5760, 241128), (5910, 235008), (6120, 226944), (6304, 220320), (6480, 214336), (6528, 212760), (6698, 207360), (6885, 201728), (6912, 200940), (7092, 195840), (7344, 189120), (7680, 180846), (7880, 176256), (8160, 170208), (8640, 160752), (8704, 159570), (8865, 156672), (9180, 151296), (9216, 150705), (9456, 146880), (9792, 141840), (10047, 138240), (10368, 133960), (10638, 130560), (10880, 127656), (11016, 126080), (11520, 120564), (11820, 117504), (12240, 113472), (12608, 110160), (12960, 107168), (13056, 106380), (13396, 103680), (13770, 100864), (13824, 100470), (14184, 97920), (14688, 94560), (15360, 90423), (15760, 88128), (15957, 87040), (16320, 85104), (16745, 82944), (17280, 80376), (17408, 79785), (17730, 78336), (18360, 75648), (18912, 73440), (19584, 70920), (20094, 69120), (20736, 66980), (21276, 65280), (21760, 63828), (22032, 63040), (23040, 60282), (23640, 58752), (24480, 56736), (25216, 55080), (25920, 53584), (26112, 53190), (26595, 52224), (26792, 51840), (27540, 50432), (27648, 50235), (28368, 48960), (29376, 47280), (30141, 46080), (31520, 44064), (31914, 43520), (32640, 42552), (33490, 41472), (34560, 40188), (35460, 39168), (36720, 37824)]

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