About the Number
1998791640
2進数表記:1110111001000110010001111011000
漢数字表記:十九億九千八百七十九万千六百四十
素因数分解:
素因数の和:261
約数の個数: 384
約数和(自身を含む): 7233408000
約数和(自身を除く): 5234616360
約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 79, 81, 90, 95, 108, 114, 120, 135, 137, 152, 158, 162, 171, 180, 190, 216, 228, 237, 243, 270, 274, 285, 316, 324, 342, 360, 380, 395, 405, 411, 456, 474, 486, 513, 540, 548, 570, 632, 648, 684, 685, 711, 760, 790, 810, 822, 855, 948, 972, 1026, 1080, 1096, 1140, 1185, 1215, 1233, 1368, 1370, 1422, 1501, 1539, 1580, 1620, 1644, 1710, 1896, 1944, 2052, 2055, 2133, 2280, 2370, 2430, 2466, 2565, 2603, 2740, 2844, 3002, 3078, 3160, 3240, 3288, 3420, 3555, 3699, 4104, 4110, 4266, 4503, 4617, 4740, 4860, 4932, 5130, 5206, 5480, 5688, 6004, 6156, 6165, 6399, 6840, 7110, 7398, 7505, 7695, 7809, 8220, 8532, 9006, 9234, 9480, 9720, 9864, 10260, 10412, 10665, 10823, 11097, 12008, 12312, 12330, 12798, 13015, 13509, 14220, 14796, 15010, 15390, 15618, 16440, 17064, 18012, 18468, 18495, 19197, 20520, 20824, 21330, 21646, 22194, 22515, 23085, 23427, 24660, 25596, 26030, 27018, 28440, 29592, 30020, 30780, 31236, 31995, 32469, 33291, 36024, 36936, 36990, 38394, 39045, 40527, 42660, 43292, 44388, 45030, 46170, 46854, 49320, 51192, 52060, 54036, 54115, 55485, 60040, 61560, 62472, 63990, 64938, 66582, 67545, 70281, 73980, 76788, 78090, 81054, 85320, 86584, 88776, 90060, 92340, 93708, 95985, 97407, 104120, 108072, 108230, 110970, 117135, 121581, 127980, 129876, 133164, 135090, 140562, 147960, 153576, 156180, 162108, 162345, 166455, 180120, 184680, 187416, 191970, 194814, 202635, 205637, 210843, 216460, 221940, 234270, 243162, 255960, 259752, 266328, 270180, 281124, 292221, 312360, 324216, 324690, 332910, 351405, 364743, 383940, 389628, 405270, 411274, 421686, 432920, 443880, 468540, 486324, 487035, 540360, 562248, 584442, 607905, 616911, 632529, 649380, 665820, 702810, 729486, 767880, 779256, 810540, 822548, 843372, 876663, 937080, 972648, 974070, 1028185, 1054215, 1168884, 1215810, 1233822, 1265058, 1298760, 1331640, 1405620, 1458972, 1461105, 1621080, 1645096, 1686744, 1753326, 1823715, 1850733, 1948140, 2056370, 2108430, 2337768, 2431620, 2467644, 2530116, 2629989, 2811240, 2917944, 2922210, 3084555, 3162645, 3506652, 3647430, 3701466, 3896280, 4112740, 4216860, 4383315, 4863240, 4935288, 5060232, 5259978, 5552199, 5844420, 6169110, 6325290, 7013304, 7294860, 7402932, 8225480, 8433720, 8766630, 9253665, 10519956, 11104398, 11688840, 12338220, 12650580, 13149945, 14589720, 14805864, 16656597, 17533260, 18507330, 21039912, 22208796, 24676440, 25301160, 26299890, 27760995, 33313194, 35066520, 37014660, 44417592, 49969791, 52599780, 55521990, 66626388, 74029320, 83282985, 99939582, 105199560, 111043980, 133252776, 166565970, 199879164, 222087960, 249848955, 333131940, 399758328, 499697910, 666263880, 999395820, 1998791640]
約数ペア:
[(1, 1998791640), (2, 999395820), (3, 666263880), (4, 499697910), (5, 399758328), (6, 333131940), (8, 249848955), (9, 222087960), (10, 199879164), (12, 166565970), (15, 133252776), (18, 111043980), (19, 105199560), (20, 99939582), (24, 83282985), (27, 74029320), (30, 66626388), (36, 55521990), (38, 52599780), (40, 49969791), (45, 44417592), (54, 37014660), (57, 35066520), (60, 33313194), (72, 27760995), (76, 26299890), (79, 25301160), (81, 24676440), (90, 22208796), (95, 21039912), (108, 18507330), (114, 17533260), (120, 16656597), (135, 14805864), (137, 14589720), (152, 13149945), (158, 12650580), (162, 12338220), (171, 11688840), (180, 11104398), (190, 10519956), (216, 9253665), (228, 8766630), (237, 8433720), (243, 8225480), (270, 7402932), (274, 7294860), (285, 7013304), (316, 6325290), (324, 6169110), (342, 5844420), (360, 5552199), (380, 5259978), (395, 5060232), (405, 4935288), (411, 4863240), (456, 4383315), (474, 4216860), (486, 4112740), (513, 3896280), (540, 3701466), (548, 3647430), (570, 3506652), (632, 3162645), (648, 3084555), (684, 2922210), (685, 2917944), (711, 2811240), (760, 2629989), (790, 2530116), (810, 2467644), (822, 2431620), (855, 2337768), (948, 2108430), (972, 2056370), (1026, 1948140), (1080, 1850733), (1096, 1823715), (1140, 1753326), (1185, 1686744), (1215, 1645096), (1233, 1621080), (1368, 1461105), (1370, 1458972), (1422, 1405620), (1501, 1331640), (1539, 1298760), (1580, 1265058), (1620, 1233822), (1644, 1215810), (1710, 1168884), (1896, 1054215), (1944, 1028185), (2052, 974070), (2055, 972648), (2133, 937080), (2280, 876663), (2370, 843372), (2430, 822548), (2466, 810540), (2565, 779256), (2603, 767880), (2740, 729486), (2844, 702810), (3002, 665820), (3078, 649380), (3160, 632529), (3240, 616911), (3288, 607905), (3420, 584442), (3555, 562248), (3699, 540360), (4104, 487035), (4110, 486324), (4266, 468540), (4503, 443880), (4617, 432920), (4740, 421686), (4860, 411274), (4932, 405270), (5130, 389628), (5206, 383940), (5480, 364743), (5688, 351405), (6004, 332910), (6156, 324690), (6165, 324216), (6399, 312360), (6840, 292221), (7110, 281124), (7398, 270180), (7505, 266328), (7695, 259752), (7809, 255960), (8220, 243162), (8532, 234270), (9006, 221940), (9234, 216460), (9480, 210843), (9720, 205637), (9864, 202635), (10260, 194814), (10412, 191970), (10665, 187416), (10823, 184680), (11097, 180120), (12008, 166455), (12312, 162345), (12330, 162108), (12798, 156180), (13015, 153576), (13509, 147960), (14220, 140562), (14796, 135090), (15010, 133164), (15390, 129876), (15618, 127980), (16440, 121581), (17064, 117135), (18012, 110970), (18468, 108230), (18495, 108072), (19197, 104120), (20520, 97407), (20824, 95985), (21330, 93708), (21646, 92340), (22194, 90060), (22515, 88776), (23085, 86584), (23427, 85320), (24660, 81054), (25596, 78090), (26030, 76788), (27018, 73980), (28440, 70281), (29592, 67545), (30020, 66582), (30780, 64938), (31236, 63990), (31995, 62472), (32469, 61560), (33291, 60040), (36024, 55485), (36936, 54115), (36990, 54036), (38394, 52060), (39045, 51192), (40527, 49320), (42660, 46854), (43292, 46170), (44388, 45030)]このpageの処理時間: 0.05847024917602539 seconds