320438538

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{347}}^1\times {\mathrm{349}}^1$

素因数の和:721

約数の個数: 96

約数和(自身を含む): 833112000

約数和(自身を除く): 512673462

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 347, 349, 378, 441, 694, 698, 882, 1041, 1047, 1323, 2082, 2094, 2429, 2443, 2646, 3123, 3141, 4858, 4886, 6246, 6282, 7287, 7329, 9369, 9423, 14574, 14658, 17003, 17101, 18738, 18846, 21861, 21987, 34006, 34202, 43722, 43974, 51009, 51303, 65583, 65961, 102018, 102606, 121103, 131166, 131922, 153027, 153909, 242206, 306054, 307818, 363309, 459081, 461727, 726618, 847721, 918162, 923454, 1089927, 1695442, 2179854, 2543163, 3269781, 5086326, 5934047, 6539562, 7629489, 11868094, 15258978, 17802141, 22888467, 35604282, 45776934, 53406423, 106812846, 160219269, 320438538]

約数ペア:

[(1, 320438538), (2, 160219269), (3, 106812846), (6, 53406423), (7, 45776934), (9, 35604282), (14, 22888467), (18, 17802141), (21, 15258978), (27, 11868094), (42, 7629489), (49, 6539562), (54, 5934047), (63, 5086326), (98, 3269781), (126, 2543163), (147, 2179854), (189, 1695442), (294, 1089927), (347, 923454), (349, 918162), (378, 847721), (441, 726618), (694, 461727), (698, 459081), (882, 363309), (1041, 307818), (1047, 306054), (1323, 242206), (2082, 153909), (2094, 153027), (2429, 131922), (2443, 131166), (2646, 121103), (3123, 102606), (3141, 102018), (4858, 65961), (4886, 65583), (6246, 51303), (6282, 51009), (7287, 43974), (7329, 43722), (9369, 34202), (9423, 34006), (14574, 21987), (14658, 21861), (17003, 18846), (17101, 18738)]