209665456

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 240

約数和(自身を含む): 588176640

約数和(自身を除く): 378511184

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 19, 22, 26, 28, 38, 44, 52, 53, 56, 76, 77, 88, 91, 104, 106, 112, 133, 143, 152, 154, 169, 176, 182, 208, 209, 212, 247, 266, 286, 304, 308, 338, 364, 371, 418, 424, 494, 532, 572, 583, 616, 676, 689, 728, 742, 836, 848, 988, 1001, 1007, 1064, 1144, 1166, 1183, 1232, 1352, 1378, 1456, 1463, 1484, 1672, 1729, 1859, 1976, 2002, 2014, 2128, 2288, 2332, 2366, 2704, 2717, 2756, 2926, 2968, 3211, 3344, 3458, 3718, 3952, 4004, 4028, 4081, 4664, 4732, 4823, 5434, 5512, 5852, 5936, 6422, 6916, 7049, 7436, 7579, 8008, 8056, 8162, 8957, 9328, 9464, 9646, 10868, 11024, 11077, 11704, 12844, 13013, 13091, 13832, 14098, 14872, 15158, 16016, 16112, 16324, 17914, 18928, 19019, 19292, 21736, 22154, 22477, 23408, 25688, 26026, 26182, 27664, 28196, 29744, 30316, 32648, 35321, 35828, 38038, 38584, 43472, 44308, 44954, 51376, 52052, 52364, 53053, 56392, 60632, 62699, 65296, 70642, 71656, 76076, 77168, 77539, 88616, 89908, 91637, 98527, 104104, 104728, 106106, 112784, 121264, 125398, 141284, 143312, 144001, 152152, 155078, 170183, 177232, 179816, 183274, 197054, 208208, 209456, 212212, 247247, 250796, 282568, 288002, 304304, 310156, 340366, 359632, 366548, 394108, 424424, 494494, 501592, 565136, 576004, 620312, 680732, 689689, 733096, 788216, 848848, 988988, 1003184, 1008007, 1152008, 1191281, 1240624, 1361464, 1379378, 1466192, 1576432, 1872013, 1977976, 2016014, 2304016, 2382562, 2722928, 2758756, 3744026, 3955952, 4032028, 4765124, 5517512, 7488052, 8064056, 9530248, 11035024, 13104091, 14976104, 16128112, 19060496, 26208182, 29952208, 52416364, 104832728, 209665456]

約数ペア:

[(1, 209665456), (2, 104832728), (4, 52416364), (7, 29952208), (8, 26208182), (11, 19060496), (13, 16128112), (14, 14976104), (16, 13104091), (19, 11035024), (22, 9530248), (26, 8064056), (28, 7488052), (38, 5517512), (44, 4765124), (52, 4032028), (53, 3955952), (56, 3744026), (76, 2758756), (77, 2722928), (88, 2382562), (91, 2304016), (104, 2016014), (106, 1977976), (112, 1872013), (133, 1576432), (143, 1466192), (152, 1379378), (154, 1361464), (169, 1240624), (176, 1191281), (182, 1152008), (208, 1008007), (209, 1003184), (212, 988988), (247, 848848), (266, 788216), (286, 733096), (304, 689689), (308, 680732), (338, 620312), (364, 576004), (371, 565136), (418, 501592), (424, 494494), (494, 424424), (532, 394108), (572, 366548), (583, 359632), (616, 340366), (676, 310156), (689, 304304), (728, 288002), (742, 282568), (836, 250796), (848, 247247), (988, 212212), (1001, 209456), (1007, 208208), (1064, 197054), (1144, 183274), (1166, 179816), (1183, 177232), (1232, 170183), (1352, 155078), (1378, 152152), (1456, 144001), (1463, 143312), (1484, 141284), (1672, 125398), (1729, 121264), (1859, 112784), (1976, 106106), (2002, 104728), (2014, 104104), (2128, 98527), (2288, 91637), (2332, 89908), (2366, 88616), (2704, 77539), (2717, 77168), (2756, 76076), (2926, 71656), (2968, 70642), (3211, 65296), (3344, 62699), (3458, 60632), (3718, 56392), (3952, 53053), (4004, 52364), (4028, 52052), (4081, 51376), (4664, 44954), (4732, 44308), (4823, 43472), (5434, 38584), (5512, 38038), (5852, 35828), (5936, 35321), (6422, 32648), (6916, 30316), (7049, 29744), (7436, 28196), (7579, 27664), (8008, 26182), (8056, 26026), (8162, 25688), (8957, 23408), (9328, 22477), (9464, 22154), (9646, 21736), (10868, 19292), (11024, 19019), (11077, 18928), (11704, 17914), (12844, 16324), (13013, 16112), (13091, 16016), (13832, 15158), (14098, 14872)]