290031040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:247

約数の個数: 168

約数和(自身を含む): 776435328

約数和(自身を除く): 486404288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 169, 173, 208, 248, 260, 310, 320, 338, 346, 403, 416, 496, 520, 620, 676, 692, 806, 832, 845, 865, 992, 1040, 1240, 1352, 1384, 1612, 1690, 1730, 1984, 2015, 2080, 2249, 2480, 2704, 2768, 3224, 3380, 3460, 4030, 4160, 4498, 4960, 5239, 5363, 5408, 5536, 6448, 6760, 6920, 8060, 8996, 9920, 10478, 10726, 10816, 11072, 11245, 12896, 13520, 13840, 16120, 17992, 20956, 21452, 22490, 25792, 26195, 26815, 27040, 27680, 29237, 32240, 35984, 41912, 42904, 44980, 52390, 53630, 54080, 55360, 58474, 64480, 69719, 71968, 83824, 85808, 89960, 104780, 107260, 116948, 128960, 139438, 143936, 146185, 167648, 171616, 179920, 209560, 214520, 233896, 278876, 292370, 335296, 343232, 348595, 359840, 419120, 429040, 467792, 557752, 584740, 697190, 719680, 838240, 858080, 906347, 935584, 1115504, 1169480, 1394380, 1676480, 1716160, 1812694, 1871168, 2231008, 2338960, 2788760, 3625388, 4462016, 4531735, 4677920, 5577520, 7250776, 9063470, 9355840, 11155040, 14501552, 18126940, 22310080, 29003104, 36253880, 58006208, 72507760, 145015520, 290031040]

約数ペア:

[(1, 290031040), (2, 145015520), (4, 72507760), (5, 58006208), (8, 36253880), (10, 29003104), (13, 22310080), (16, 18126940), (20, 14501552), (26, 11155040), (31, 9355840), (32, 9063470), (40, 7250776), (52, 5577520), (62, 4677920), (64, 4531735), (65, 4462016), (80, 3625388), (104, 2788760), (124, 2338960), (130, 2231008), (155, 1871168), (160, 1812694), (169, 1716160), (173, 1676480), (208, 1394380), (248, 1169480), (260, 1115504), (310, 935584), (320, 906347), (338, 858080), (346, 838240), (403, 719680), (416, 697190), (496, 584740), (520, 557752), (620, 467792), (676, 429040), (692, 419120), (806, 359840), (832, 348595), (845, 343232), (865, 335296), (992, 292370), (1040, 278876), (1240, 233896), (1352, 214520), (1384, 209560), (1612, 179920), (1690, 171616), (1730, 167648), (1984, 146185), (2015, 143936), (2080, 139438), (2249, 128960), (2480, 116948), (2704, 107260), (2768, 104780), (3224, 89960), (3380, 85808), (3460, 83824), (4030, 71968), (4160, 69719), (4498, 64480), (4960, 58474), (5239, 55360), (5363, 54080), (5408, 53630), (5536, 52390), (6448, 44980), (6760, 42904), (6920, 41912), (8060, 35984), (8996, 32240), (9920, 29237), (10478, 27680), (10726, 27040), (10816, 26815), (11072, 26195), (11245, 25792), (12896, 22490), (13520, 21452), (13840, 20956), (16120, 17992)]