428879360

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:313

約数の個数: 240

約数和(自身を含む): 1293104736

約数和(自身を除く): 864225376

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 256, 260, 263, 280, 320, 364, 392, 416, 448, 455, 490, 512, 520, 526, 560, 637, 640, 728, 784, 832, 896, 910, 980, 1040, 1052, 1120, 1274, 1280, 1315, 1456, 1568, 1664, 1792, 1820, 1841, 1960, 2080, 2104, 2240, 2548, 2560, 2630, 2912, 3136, 3185, 3328, 3419, 3584, 3640, 3682, 3920, 4160, 4208, 4480, 5096, 5260, 5824, 6272, 6370, 6656, 6838, 7280, 7364, 7840, 8320, 8416, 8960, 9205, 10192, 10520, 11648, 12544, 12740, 12887, 13676, 14560, 14728, 15680, 16640, 16832, 17095, 17920, 18410, 20384, 21040, 23296, 23933, 25088, 25480, 25774, 27352, 29120, 29456, 31360, 33280, 33664, 34190, 36820, 40768, 42080, 46592, 47866, 50960, 51548, 54704, 58240, 58912, 62720, 64435, 67328, 68380, 73640, 81536, 84160, 95732, 101920, 103096, 109408, 116480, 117824, 119665, 125440, 128870, 134656, 136760, 147280, 163072, 167531, 168320, 191464, 203840, 206192, 218816, 232960, 235648, 239330, 257740, 273520, 294560, 326144, 335062, 336640, 382928, 407680, 412384, 437632, 471296, 478660, 515480, 547040, 589120, 670124, 673280, 765856, 815360, 824768, 837655, 875264, 942592, 957320, 1030960, 1094080, 1178240, 1340248, 1531712, 1630720, 1649536, 1675310, 1750528, 1914640, 2061920, 2188160, 2356480, 2680496, 3063424, 3299072, 3350620, 3829280, 4123840, 4376320, 4712960, 5360992, 6126848, 6598144, 6701240, 7658560, 8247680, 8752640, 10721984, 12253696, 13402480, 15317120, 16495360, 21443968, 26804960, 30634240, 32990720, 42887936, 53609920, 61268480, 85775872, 107219840, 214439680, 428879360]

約数ペア:

[(1, 428879360), (2, 214439680), (4, 107219840), (5, 85775872), (7, 61268480), (8, 53609920), (10, 42887936), (13, 32990720), (14, 30634240), (16, 26804960), (20, 21443968), (26, 16495360), (28, 15317120), (32, 13402480), (35, 12253696), (40, 10721984), (49, 8752640), (52, 8247680), (56, 7658560), (64, 6701240), (65, 6598144), (70, 6126848), (80, 5360992), (91, 4712960), (98, 4376320), (104, 4123840), (112, 3829280), (128, 3350620), (130, 3299072), (140, 3063424), (160, 2680496), (182, 2356480), (196, 2188160), (208, 2061920), (224, 1914640), (245, 1750528), (256, 1675310), (260, 1649536), (263, 1630720), (280, 1531712), (320, 1340248), (364, 1178240), (392, 1094080), (416, 1030960), (448, 957320), (455, 942592), (490, 875264), (512, 837655), (520, 824768), (526, 815360), (560, 765856), (637, 673280), (640, 670124), (728, 589120), (784, 547040), (832, 515480), (896, 478660), (910, 471296), (980, 437632), (1040, 412384), (1052, 407680), (1120, 382928), (1274, 336640), (1280, 335062), (1315, 326144), (1456, 294560), (1568, 273520), (1664, 257740), (1792, 239330), (1820, 235648), (1841, 232960), (1960, 218816), (2080, 206192), (2104, 203840), (2240, 191464), (2548, 168320), (2560, 167531), (2630, 163072), (2912, 147280), (3136, 136760), (3185, 134656), (3328, 128870), (3419, 125440), (3584, 119665), (3640, 117824), (3682, 116480), (3920, 109408), (4160, 103096), (4208, 101920), (4480, 95732), (5096, 84160), (5260, 81536), (5824, 73640), (6272, 68380), (6370, 67328), (6656, 64435), (6838, 62720), (7280, 58912), (7364, 58240), (7840, 54704), (8320, 51548), (8416, 50960), (8960, 47866), (9205, 46592), (10192, 42080), (10520, 40768), (11648, 36820), (12544, 34190), (12740, 33664), (12887, 33280), (13676, 31360), (14560, 29456), (14728, 29120), (15680, 27352), (16640, 25774), (16832, 25480), (17095, 25088), (17920, 23933), (18410, 23296), (20384, 21040)]