400318128

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:632

約数の個数: 240

約数和(自身を含む): 1381625856

約数和(自身を除く): 981307728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 31, 36, 42, 46, 48, 56, 62, 63, 69, 72, 84, 92, 93, 112, 124, 126, 138, 144, 161, 168, 184, 186, 207, 217, 248, 252, 276, 279, 322, 336, 368, 372, 414, 434, 483, 496, 504, 552, 557, 558, 644, 651, 713, 744, 828, 868, 966, 1008, 1104, 1114, 1116, 1288, 1302, 1426, 1449, 1488, 1656, 1671, 1736, 1932, 1953, 2139, 2228, 2232, 2576, 2604, 2852, 2898, 3312, 3342, 3472, 3864, 3899, 3906, 4278, 4456, 4464, 4991, 5013, 5208, 5704, 5796, 6417, 6684, 7728, 7798, 7812, 8556, 8912, 9982, 10026, 10416, 11408, 11592, 11697, 12811, 12834, 13368, 14973, 15596, 15624, 17112, 17267, 19964, 20052, 23184, 23394, 25622, 25668, 26736, 29946, 31192, 31248, 34224, 34534, 35091, 38433, 39928, 40104, 44919, 46788, 51244, 51336, 51801, 59892, 62384, 69068, 70182, 76866, 79856, 80208, 89677, 89838, 93576, 102488, 102672, 103602, 115299, 119784, 120869, 138136, 140364, 153732, 155403, 179354, 179676, 187152, 204976, 207204, 230598, 239568, 241738, 269031, 276272, 280728, 307464, 310806, 358708, 359352, 362607, 397141, 414408, 461196, 483476, 538062, 561456, 614928, 621612, 717416, 718704, 725214, 794282, 807093, 828816, 922392, 966952, 1076124, 1087821, 1191423, 1243224, 1434832, 1450428, 1588564, 1614186, 1844784, 1933904, 2152248, 2175642, 2382846, 2486448, 2779987, 2900856, 3177128, 3228372, 3574269, 4304496, 4351284, 4765692, 5559974, 5801712, 6354256, 6456744, 7148538, 8339961, 8702568, 9531384, 11119948, 12913488, 14297076, 16679922, 17405136, 19062768, 22239896, 25019883, 28594152, 33359844, 44479792, 50039766, 57188304, 66719688, 100079532, 133439376, 200159064, 400318128]

約数ペア:

[(1, 400318128), (2, 200159064), (3, 133439376), (4, 100079532), (6, 66719688), (7, 57188304), (8, 50039766), (9, 44479792), (12, 33359844), (14, 28594152), (16, 25019883), (18, 22239896), (21, 19062768), (23, 17405136), (24, 16679922), (28, 14297076), (31, 12913488), (36, 11119948), (42, 9531384), (46, 8702568), (48, 8339961), (56, 7148538), (62, 6456744), (63, 6354256), (69, 5801712), (72, 5559974), (84, 4765692), (92, 4351284), (93, 4304496), (112, 3574269), (124, 3228372), (126, 3177128), (138, 2900856), (144, 2779987), (161, 2486448), (168, 2382846), (184, 2175642), (186, 2152248), (207, 1933904), (217, 1844784), (248, 1614186), (252, 1588564), (276, 1450428), (279, 1434832), (322, 1243224), (336, 1191423), (368, 1087821), (372, 1076124), (414, 966952), (434, 922392), (483, 828816), (496, 807093), (504, 794282), (552, 725214), (557, 718704), (558, 717416), (644, 621612), (651, 614928), (713, 561456), (744, 538062), (828, 483476), (868, 461196), (966, 414408), (1008, 397141), (1104, 362607), (1114, 359352), (1116, 358708), (1288, 310806), (1302, 307464), (1426, 280728), (1449, 276272), (1488, 269031), (1656, 241738), (1671, 239568), (1736, 230598), (1932, 207204), (1953, 204976), (2139, 187152), (2228, 179676), (2232, 179354), (2576, 155403), (2604, 153732), (2852, 140364), (2898, 138136), (3312, 120869), (3342, 119784), (3472, 115299), (3864, 103602), (3899, 102672), (3906, 102488), (4278, 93576), (4456, 89838), (4464, 89677), (4991, 80208), (5013, 79856), (5208, 76866), (5704, 70182), (5796, 69068), (6417, 62384), (6684, 59892), (7728, 51801), (7798, 51336), (7812, 51244), (8556, 46788), (8912, 44919), (9982, 40104), (10026, 39928), (10416, 38433), (11408, 35091), (11592, 34534), (11697, 34224), (12811, 31248), (12834, 31192), (13368, 29946), (14973, 26736), (15596, 25668), (15624, 25622), (17112, 23394), (17267, 23184), (19964, 20052)]