209999328

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28409}}^1$

素因数の和:28440

約数の個数: 96

約数和(自身を含む): 687294720

約数和(自身を除く): 477295392

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 66, 77, 84, 88, 96, 112, 132, 154, 168, 176, 224, 231, 264, 308, 336, 352, 462, 528, 616, 672, 924, 1056, 1232, 1848, 2464, 3696, 7392, 28409, 56818, 85227, 113636, 170454, 198863, 227272, 312499, 340908, 397726, 454544, 596589, 624998, 681816, 795452, 909088, 937497, 1193178, 1249996, 1363632, 1590904, 1874994, 2187493, 2386356, 2499992, 2727264, 3181808, 3749988, 4374986, 4772712, 4999984, 6363616, 6562479, 7499976, 8749972, 9545424, 9999968, 13124958, 14999952, 17499944, 19090848, 26249916, 29999904, 34999888, 52499832, 69999776, 104999664, 209999328]

約数ペア:

[(1, 209999328), (2, 104999664), (3, 69999776), (4, 52499832), (6, 34999888), (7, 29999904), (8, 26249916), (11, 19090848), (12, 17499944), (14, 14999952), (16, 13124958), (21, 9999968), (22, 9545424), (24, 8749972), (28, 7499976), (32, 6562479), (33, 6363616), (42, 4999984), (44, 4772712), (48, 4374986), (56, 3749988), (66, 3181808), (77, 2727264), (84, 2499992), (88, 2386356), (96, 2187493), (112, 1874994), (132, 1590904), (154, 1363632), (168, 1249996), (176, 1193178), (224, 937497), (231, 909088), (264, 795452), (308, 681816), (336, 624998), (352, 596589), (462, 454544), (528, 397726), (616, 340908), (672, 312499), (924, 227272), (1056, 198863), (1232, 170454), (1848, 113636), (2464, 85227), (3696, 56818), (7392, 28409)]