421204784

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2$

素因数の和:93

約数の個数: 270

約数和(自身を含む): 1191261924

約数和(自身を除く): 770057140

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 17, 22, 26, 28, 34, 44, 49, 52, 56, 68, 77, 88, 91, 98, 104, 112, 119, 136, 143, 154, 169, 176, 182, 187, 196, 208, 221, 238, 272, 286, 289, 308, 338, 364, 374, 392, 442, 476, 539, 572, 578, 616, 637, 676, 728, 748, 784, 833, 884, 952, 1001, 1078, 1144, 1156, 1183, 1232, 1274, 1309, 1352, 1456, 1496, 1547, 1666, 1768, 1859, 1904, 2002, 2023, 2156, 2288, 2312, 2366, 2431, 2548, 2618, 2704, 2873, 2992, 3094, 3179, 3332, 3536, 3718, 3757, 4004, 4046, 4312, 4624, 4732, 4862, 5096, 5236, 5746, 6188, 6358, 6664, 7007, 7436, 7514, 8008, 8092, 8281, 8624, 9163, 9464, 9724, 10192, 10472, 10829, 11492, 12376, 12716, 13013, 13328, 14014, 14161, 14872, 15028, 16016, 16184, 16562, 17017, 18326, 18928, 19448, 20111, 20944, 21658, 22253, 22984, 24752, 25432, 26026, 26299, 28028, 28322, 29744, 30056, 31603, 32368, 33124, 34034, 36652, 38896, 40222, 41327, 43316, 44506, 45968, 48841, 50864, 52052, 52598, 56056, 56644, 60112, 63206, 66248, 68068, 73304, 80444, 82654, 86632, 89012, 91091, 97682, 104104, 105196, 112112, 113288, 119119, 126412, 132496, 136136, 140777, 146608, 155771, 160888, 165308, 173264, 178024, 182182, 184093, 195364, 208208, 210392, 221221, 226576, 238238, 252824, 272272, 281554, 289289, 311542, 321776, 330616, 341887, 356048, 364364, 368186, 390728, 420784, 442442, 476476, 505648, 537251, 563108, 578578, 623084, 661232, 683774, 728728, 736372, 781456, 884884, 952952, 1074502, 1126216, 1157156, 1246168, 1367548, 1457456, 1472744, 1548547, 1769768, 1905904, 2025023, 2149004, 2252432, 2314312, 2393209, 2492336, 2735096, 2945488, 3097094, 3539536, 3760757, 4050046, 4298008, 4628624, 4786418, 5470192, 6194188, 7521514, 8100092, 8596016, 9572836, 12388376, 15043028, 16200184, 19145672, 24776752, 26325299, 30086056, 32400368, 38291344, 52650598, 60172112, 105301196, 210602392, 421204784]

約数ペア:

[(1, 421204784), (2, 210602392), (4, 105301196), (7, 60172112), (8, 52650598), (11, 38291344), (13, 32400368), (14, 30086056), (16, 26325299), (17, 24776752), (22, 19145672), (26, 16200184), (28, 15043028), (34, 12388376), (44, 9572836), (49, 8596016), (52, 8100092), (56, 7521514), (68, 6194188), (77, 5470192), (88, 4786418), (91, 4628624), (98, 4298008), (104, 4050046), (112, 3760757), (119, 3539536), (136, 3097094), (143, 2945488), (154, 2735096), (169, 2492336), (176, 2393209), (182, 2314312), (187, 2252432), (196, 2149004), (208, 2025023), (221, 1905904), (238, 1769768), (272, 1548547), (286, 1472744), (289, 1457456), (308, 1367548), (338, 1246168), (364, 1157156), (374, 1126216), (392, 1074502), (442, 952952), (476, 884884), (539, 781456), (572, 736372), (578, 728728), (616, 683774), (637, 661232), (676, 623084), (728, 578578), (748, 563108), (784, 537251), (833, 505648), (884, 476476), (952, 442442), (1001, 420784), (1078, 390728), (1144, 368186), (1156, 364364), (1183, 356048), (1232, 341887), (1274, 330616), (1309, 321776), (1352, 311542), (1456, 289289), (1496, 281554), (1547, 272272), (1666, 252824), (1768, 238238), (1859, 226576), (1904, 221221), (2002, 210392), (2023, 208208), (2156, 195364), (2288, 184093), (2312, 182182), (2366, 178024), (2431, 173264), (2548, 165308), (2618, 160888), (2704, 155771), (2873, 146608), (2992, 140777), (3094, 136136), (3179, 132496), (3332, 126412), (3536, 119119), (3718, 113288), (3757, 112112), (4004, 105196), (4046, 104104), (4312, 97682), (4624, 91091), (4732, 89012), (4862, 86632), (5096, 82654), (5236, 80444), (5746, 73304), (6188, 68068), (6358, 66248), (6664, 63206), (7007, 60112), (7436, 56644), (7514, 56056), (8008, 52598), (8092, 52052), (8281, 50864), (8624, 48841), (9163, 45968), (9464, 44506), (9724, 43316), (10192, 41327), (10472, 40222), (10829, 38896), (11492, 36652), (12376, 34034), (12716, 33124), (13013, 32368), (13328, 31603), (14014, 30056), (14161, 29744), (14872, 28322), (15028, 28028), (16016, 26299), (16184, 26026), (16562, 25432), (17017, 24752), (18326, 22984), (18928, 22253), (19448, 21658), (20111, 20944)]