19990050080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{9601}}^1$

素因数の和:9660

約数の個数: 288

約数和(自身を含む): 63764039808

約数和(自身を除く): 43773989728

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, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 160, 169, 176, 182, 208, 220, 224, 260, 280, 286, 308, 338, 352, 364, 385, 416, 440, 455, 520, 560, 572, 616, 676, 715, 728, 770, 845, 880, 910, 1001, 1040, 1120, 1144, 1183, 1232, 1352, 1430, 1456, 1540, 1690, 1760, 1820, 1859, 2002, 2080, 2288, 2366, 2464, 2704, 2860, 2912, 3080, 3380, 3640, 3718, 4004, 4576, 4732, 5005, 5408, 5720, 5915, 6160, 6760, 7280, 7436, 8008, 9295, 9464, 9601, 10010, 11440, 11830, 12320, 13013, 13520, 14560, 14872, 16016, 18590, 18928, 19202, 20020, 22880, 23660, 26026, 27040, 29744, 32032, 37180, 37856, 38404, 40040, 47320, 48005, 52052, 59488, 65065, 67207, 74360, 76808, 80080, 94640, 96010, 104104, 105611, 124813, 130130, 134414, 148720, 153616, 160160, 189280, 192020, 208208, 211222, 249626, 260260, 268828, 297440, 307232, 336035, 384040, 416416, 422444, 499252, 520520, 528055, 537656, 624065, 672070, 739277, 768080, 844888, 873691, 998504, 1041040, 1056110, 1075312, 1248130, 1344140, 1372943, 1478554, 1536160, 1622569, 1689776, 1747382, 1997008, 2082080, 2112220, 2150624, 2496260, 2688280, 2745886, 2957108, 3245138, 3379552, 3494764, 3696385, 3994016, 4224440, 4368455, 4992520, 5376560, 5491772, 5914216, 6490276, 6864715, 6989528, 7392770, 8112845, 8448880, 8736910, 9610601, 9985040, 10753120, 10983544, 11357983, 11828432, 12980552, 13729430, 13979056, 14785540, 16225690, 16897760, 17473820, 17848259, 19221202, 19970080, 21967088, 22715966, 23656864, 25961104, 27458860, 27958112, 29571080, 32451380, 34947640, 35696518, 38442404, 43934176, 45431932, 48053005, 51922208, 54917720, 56789915, 59142160, 64902760, 69895280, 71393036, 76884808, 89241295, 90863864, 96106010, 109835440, 113579830, 118284320, 124937813, 129805520, 139790560, 142786072, 153769616, 178482590, 181727728, 192212020, 219670880, 227159660, 249875626, 259611040, 285572144, 307539232, 356965180, 363455456, 384424040, 454319320, 499751252, 571144288, 624689065, 713930360, 768848080, 908638640, 999502504, 1249378130, 1427860720, 1537696160, 1817277280, 1999005008, 2498756260, 2855721440, 3998010016, 4997512520, 9995025040, 19990050080]

約数ペア:

[(1, 19990050080), (2, 9995025040), (4, 4997512520), (5, 3998010016), (7, 2855721440), (8, 2498756260), (10, 1999005008), (11, 1817277280), (13, 1537696160), (14, 1427860720), (16, 1249378130), (20, 999502504), (22, 908638640), (26, 768848080), (28, 713930360), (32, 624689065), (35, 571144288), (40, 499751252), (44, 454319320), (52, 384424040), (55, 363455456), (56, 356965180), (65, 307539232), (70, 285572144), (77, 259611040), (80, 249875626), (88, 227159660), (91, 219670880), (104, 192212020), (110, 181727728), (112, 178482590), (130, 153769616), (140, 142786072), (143, 139790560), (154, 129805520), (160, 124937813), (169, 118284320), (176, 113579830), (182, 109835440), (208, 96106010), (220, 90863864), (224, 89241295), (260, 76884808), (280, 71393036), (286, 69895280), (308, 64902760), (338, 59142160), (352, 56789915), (364, 54917720), (385, 51922208), (416, 48053005), (440, 45431932), (455, 43934176), (520, 38442404), (560, 35696518), (572, 34947640), (616, 32451380), (676, 29571080), (715, 27958112), (728, 27458860), (770, 25961104), (845, 23656864), (880, 22715966), (910, 21967088), (1001, 19970080), (1040, 19221202), (1120, 17848259), (1144, 17473820), (1183, 16897760), (1232, 16225690), (1352, 14785540), (1430, 13979056), (1456, 13729430), (1540, 12980552), (1690, 11828432), (1760, 11357983), (1820, 10983544), (1859, 10753120), (2002, 9985040), (2080, 9610601), (2288, 8736910), (2366, 8448880), (2464, 8112845), (2704, 7392770), (2860, 6989528), (2912, 6864715), (3080, 6490276), (3380, 5914216), (3640, 5491772), (3718, 5376560), (4004, 4992520), (4576, 4368455), (4732, 4224440), (5005, 3994016), (5408, 3696385), (5720, 3494764), (5915, 3379552), (6160, 3245138), (6760, 2957108), (7280, 2745886), (7436, 2688280), (8008, 2496260), (9295, 2150624), (9464, 2112220), (9601, 2082080), (10010, 1997008), (11440, 1747382), (11830, 1689776), (12320, 1622569), (13013, 1536160), (13520, 1478554), (14560, 1372943), (14872, 1344140), (16016, 1248130), (18590, 1075312), (18928, 1056110), (19202, 1041040), (20020, 998504), (22880, 873691), (23660, 844888), (26026, 768080), (27040, 739277), (29744, 672070), (32032, 624065), (37180, 537656), (37856, 528055), (38404, 520520), (40040, 499252), (47320, 422444), (48005, 416416), (52052, 384040), (59488, 336035), (65065, 307232), (67207, 297440), (74360, 268828), (76808, 260260), (80080, 249626), (94640, 211222), (96010, 208208), (104104, 192020), (105611, 189280), (124813, 160160), (130130, 153616), (134414, 148720)]