338181844

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 819020160

約数和(自身を除く): 480838316

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 73, 77, 89, 91, 143, 146, 154, 169, 178, 182, 286, 292, 308, 338, 356, 364, 511, 572, 623, 676, 803, 949, 979, 1001, 1022, 1157, 1183, 1246, 1606, 1859, 1898, 1958, 2002, 2044, 2314, 2366, 2492, 3212, 3718, 3796, 3916, 4004, 4628, 4732, 5621, 6497, 6643, 6853, 7436, 8099, 10439, 11242, 12337, 12727, 12994, 13013, 13286, 13706, 15041, 16198, 20878, 22484, 24674, 25454, 25988, 26026, 26572, 27412, 30082, 32396, 41756, 45479, 49348, 50908, 52052, 60164, 71467, 73073, 84461, 86359, 89089, 90958, 105287, 135707, 142934, 146146, 165451, 168922, 172718, 178178, 181916, 210574, 271414, 285868, 292292, 330902, 337844, 345436, 356356, 421148, 500269, 542828, 591227, 661804, 929071, 949949, 1000538, 1097993, 1158157, 1182454, 1858142, 1899898, 2001076, 2195986, 2316314, 2364908, 3716284, 3799796, 4391972, 4632628, 6503497, 7685951, 12077923, 13006994, 15371902, 24155846, 26013988, 30743804, 48311692, 84545461, 169090922, 338181844]

約数ペア:

[(1, 338181844), (2, 169090922), (4, 84545461), (7, 48311692), (11, 30743804), (13, 26013988), (14, 24155846), (22, 15371902), (26, 13006994), (28, 12077923), (44, 7685951), (52, 6503497), (73, 4632628), (77, 4391972), (89, 3799796), (91, 3716284), (143, 2364908), (146, 2316314), (154, 2195986), (169, 2001076), (178, 1899898), (182, 1858142), (286, 1182454), (292, 1158157), (308, 1097993), (338, 1000538), (356, 949949), (364, 929071), (511, 661804), (572, 591227), (623, 542828), (676, 500269), (803, 421148), (949, 356356), (979, 345436), (1001, 337844), (1022, 330902), (1157, 292292), (1183, 285868), (1246, 271414), (1606, 210574), (1859, 181916), (1898, 178178), (1958, 172718), (2002, 168922), (2044, 165451), (2314, 146146), (2366, 142934), (2492, 135707), (3212, 105287), (3718, 90958), (3796, 89089), (3916, 86359), (4004, 84461), (4628, 73073), (4732, 71467), (5621, 60164), (6497, 52052), (6643, 50908), (6853, 49348), (7436, 45479), (8099, 41756), (10439, 32396), (11242, 30082), (12337, 27412), (12727, 26572), (12994, 26026), (13013, 25988), (13286, 25454), (13706, 24674), (15041, 22484), (16198, 20878)]