420277788

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:357

約数の個数: 192

約数和(自身を含む): 1307443200

約数和(自身を除く): 887165412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 62, 63, 79, 84, 93, 108, 124, 126, 158, 186, 189, 217, 227, 237, 252, 279, 316, 372, 378, 434, 454, 474, 553, 558, 651, 681, 711, 756, 837, 868, 908, 948, 1106, 1116, 1302, 1362, 1422, 1589, 1659, 1674, 1953, 2043, 2133, 2212, 2449, 2604, 2724, 2844, 3178, 3318, 3348, 3906, 4086, 4266, 4767, 4898, 4977, 5859, 6129, 6356, 6636, 7037, 7347, 7812, 8172, 8532, 9534, 9796, 9954, 11718, 12258, 14074, 14301, 14694, 14931, 17143, 17933, 19068, 19908, 21111, 22041, 23436, 24516, 28148, 28602, 29388, 29862, 34286, 35866, 42222, 42903, 44082, 49259, 51429, 53799, 57204, 59724, 63333, 66123, 68572, 71732, 84444, 85806, 88164, 98518, 102858, 107598, 125531, 126666, 132246, 147777, 154287, 161397, 171612, 189999, 197036, 205716, 215196, 251062, 253332, 264492, 295554, 308574, 322794, 376593, 379998, 443331, 462861, 484191, 502124, 555923, 591108, 617148, 645588, 753186, 759996, 886662, 925722, 968382, 1111846, 1129779, 1329993, 1506372, 1667769, 1773324, 1851444, 1936764, 2223692, 2259558, 2659986, 3335538, 3389337, 3891461, 4519116, 5003307, 5319972, 6671076, 6778674, 7782922, 10006614, 11674383, 13557348, 15009921, 15565844, 20013228, 23348766, 30019842, 35023149, 46697532, 60039684, 70046298, 105069447, 140092596, 210138894, 420277788]

約数ペア:

[(1, 420277788), (2, 210138894), (3, 140092596), (4, 105069447), (6, 70046298), (7, 60039684), (9, 46697532), (12, 35023149), (14, 30019842), (18, 23348766), (21, 20013228), (27, 15565844), (28, 15009921), (31, 13557348), (36, 11674383), (42, 10006614), (54, 7782922), (62, 6778674), (63, 6671076), (79, 5319972), (84, 5003307), (93, 4519116), (108, 3891461), (124, 3389337), (126, 3335538), (158, 2659986), (186, 2259558), (189, 2223692), (217, 1936764), (227, 1851444), (237, 1773324), (252, 1667769), (279, 1506372), (316, 1329993), (372, 1129779), (378, 1111846), (434, 968382), (454, 925722), (474, 886662), (553, 759996), (558, 753186), (651, 645588), (681, 617148), (711, 591108), (756, 555923), (837, 502124), (868, 484191), (908, 462861), (948, 443331), (1106, 379998), (1116, 376593), (1302, 322794), (1362, 308574), (1422, 295554), (1589, 264492), (1659, 253332), (1674, 251062), (1953, 215196), (2043, 205716), (2133, 197036), (2212, 189999), (2449, 171612), (2604, 161397), (2724, 154287), (2844, 147777), (3178, 132246), (3318, 126666), (3348, 125531), (3906, 107598), (4086, 102858), (4266, 98518), (4767, 88164), (4898, 85806), (4977, 84444), (5859, 71732), (6129, 68572), (6356, 66123), (6636, 63333), (7037, 59724), (7347, 57204), (7812, 53799), (8172, 51429), (8532, 49259), (9534, 44082), (9796, 42903), (9954, 42222), (11718, 35866), (12258, 34286), (14074, 29862), (14301, 29388), (14694, 28602), (14931, 28148), (17143, 24516), (17933, 23436), (19068, 22041), (19908, 21111)]