254102784

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:884

約数の個数: 144

約数和(自身を含む): 752715264

約数和(自身を除く): 498612480

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 186, 192, 208, 248, 256, 312, 372, 384, 403, 416, 496, 624, 744, 768, 806, 821, 832, 992, 1209, 1248, 1488, 1612, 1642, 1664, 1984, 2418, 2463, 2496, 2976, 3224, 3284, 3328, 3968, 4836, 4926, 4992, 5952, 6448, 6568, 7936, 9672, 9852, 9984, 10673, 11904, 12896, 13136, 19344, 19704, 21346, 23808, 25451, 25792, 26272, 32019, 38688, 39408, 42692, 50902, 51584, 52544, 64038, 76353, 77376, 78816, 85384, 101804, 103168, 105088, 128076, 152706, 154752, 157632, 170768, 203608, 210176, 256152, 305412, 309504, 315264, 330863, 341536, 407216, 512304, 610824, 630528, 661726, 683072, 814432, 992589, 1024608, 1221648, 1323452, 1366144, 1628864, 1985178, 2049216, 2443296, 2646904, 2732288, 3257728, 3970356, 4098432, 4886592, 5293808, 6515456, 7940712, 8196864, 9773184, 10587616, 15881424, 19546368, 21175232, 31762848, 42350464, 63525696, 84700928, 127051392, 254102784]

約数ペア:

[(1, 254102784), (2, 127051392), (3, 84700928), (4, 63525696), (6, 42350464), (8, 31762848), (12, 21175232), (13, 19546368), (16, 15881424), (24, 10587616), (26, 9773184), (31, 8196864), (32, 7940712), (39, 6515456), (48, 5293808), (52, 4886592), (62, 4098432), (64, 3970356), (78, 3257728), (93, 2732288), (96, 2646904), (104, 2443296), (124, 2049216), (128, 1985178), (156, 1628864), (186, 1366144), (192, 1323452), (208, 1221648), (248, 1024608), (256, 992589), (312, 814432), (372, 683072), (384, 661726), (403, 630528), (416, 610824), (496, 512304), (624, 407216), (744, 341536), (768, 330863), (806, 315264), (821, 309504), (832, 305412), (992, 256152), (1209, 210176), (1248, 203608), (1488, 170768), (1612, 157632), (1642, 154752), (1664, 152706), (1984, 128076), (2418, 105088), (2463, 103168), (2496, 101804), (2976, 85384), (3224, 78816), (3284, 77376), (3328, 76353), (3968, 64038), (4836, 52544), (4926, 51584), (4992, 50902), (5952, 42692), (6448, 39408), (6568, 38688), (7936, 32019), (9672, 26272), (9852, 25792), (9984, 25451), (10673, 23808), (11904, 21346), (12896, 19704), (13136, 19344)]