285705280

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:194

約数の個数: 224

約数和(自身を含む): 841248000

約数和(自身を除く): 555542720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 112, 133, 137, 140, 152, 160, 190, 196, 224, 245, 266, 274, 280, 304, 320, 343, 380, 392, 448, 490, 532, 548, 560, 608, 665, 685, 686, 760, 784, 931, 959, 980, 1064, 1096, 1120, 1216, 1330, 1370, 1372, 1520, 1568, 1715, 1862, 1918, 1960, 2128, 2192, 2240, 2603, 2660, 2740, 2744, 3040, 3136, 3430, 3724, 3836, 3920, 4256, 4384, 4655, 4795, 5206, 5320, 5480, 5488, 6080, 6517, 6713, 6860, 7448, 7672, 7840, 8512, 8768, 9310, 9590, 10412, 10640, 10960, 10976, 13015, 13034, 13426, 13720, 14896, 15344, 15680, 18221, 18620, 19180, 20824, 21280, 21920, 21952, 26030, 26068, 26852, 27440, 29792, 30688, 32585, 33565, 36442, 37240, 38360, 41648, 42560, 43840, 46991, 52060, 52136, 53704, 54880, 59584, 61376, 65170, 67130, 72884, 74480, 76720, 83296, 91105, 93982, 104120, 104272, 107408, 109760, 127547, 130340, 134260, 145768, 148960, 153440, 166592, 182210, 187964, 208240, 208544, 214816, 234955, 255094, 260680, 268520, 291536, 297920, 306880, 364420, 375928, 416480, 417088, 429632, 469910, 510188, 521360, 537040, 583072, 637735, 728840, 751856, 832960, 892829, 939820, 1020376, 1042720, 1074080, 1166144, 1275470, 1457680, 1503712, 1785658, 1879640, 2040752, 2085440, 2148160, 2550940, 2915360, 3007424, 3571316, 3759280, 4081504, 4464145, 5101880, 5830720, 7142632, 7518560, 8163008, 8928290, 10203760, 14285264, 15037120, 17856580, 20407520, 28570528, 35713160, 40815040, 57141056, 71426320, 142852640, 285705280]

約数ペア:

[(1, 285705280), (2, 142852640), (4, 71426320), (5, 57141056), (7, 40815040), (8, 35713160), (10, 28570528), (14, 20407520), (16, 17856580), (19, 15037120), (20, 14285264), (28, 10203760), (32, 8928290), (35, 8163008), (38, 7518560), (40, 7142632), (49, 5830720), (56, 5101880), (64, 4464145), (70, 4081504), (76, 3759280), (80, 3571316), (95, 3007424), (98, 2915360), (112, 2550940), (133, 2148160), (137, 2085440), (140, 2040752), (152, 1879640), (160, 1785658), (190, 1503712), (196, 1457680), (224, 1275470), (245, 1166144), (266, 1074080), (274, 1042720), (280, 1020376), (304, 939820), (320, 892829), (343, 832960), (380, 751856), (392, 728840), (448, 637735), (490, 583072), (532, 537040), (548, 521360), (560, 510188), (608, 469910), (665, 429632), (685, 417088), (686, 416480), (760, 375928), (784, 364420), (931, 306880), (959, 297920), (980, 291536), (1064, 268520), (1096, 260680), (1120, 255094), (1216, 234955), (1330, 214816), (1370, 208544), (1372, 208240), (1520, 187964), (1568, 182210), (1715, 166592), (1862, 153440), (1918, 148960), (1960, 145768), (2128, 134260), (2192, 130340), (2240, 127547), (2603, 109760), (2660, 107408), (2740, 104272), (2744, 104120), (3040, 93982), (3136, 91105), (3430, 83296), (3724, 76720), (3836, 74480), (3920, 72884), (4256, 67130), (4384, 65170), (4655, 61376), (4795, 59584), (5206, 54880), (5320, 53704), (5480, 52136), (5488, 52060), (6080, 46991), (6517, 43840), (6713, 42560), (6860, 41648), (7448, 38360), (7672, 37240), (7840, 36442), (8512, 33565), (8768, 32585), (9310, 30688), (9590, 29792), (10412, 27440), (10640, 26852), (10960, 26068), (10976, 26030), (13015, 21952), (13034, 21920), (13426, 21280), (13720, 20824), (14896, 19180), (15344, 18620), (15680, 18221)]