199287504

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:490

約数の個数: 180

約数和(自身を含む): 637191360

約数和(自身を除く): 437903856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 36, 38, 39, 48, 52, 57, 72, 76, 78, 104, 114, 117, 144, 152, 156, 169, 171, 208, 228, 234, 247, 304, 312, 338, 342, 431, 456, 468, 494, 507, 624, 676, 684, 741, 862, 912, 936, 988, 1014, 1293, 1352, 1368, 1482, 1521, 1724, 1872, 1976, 2028, 2223, 2586, 2704, 2736, 2964, 3042, 3211, 3448, 3879, 3952, 4056, 4446, 5172, 5603, 5928, 6084, 6422, 6896, 7758, 8112, 8189, 8892, 9633, 10344, 11206, 11856, 12168, 12844, 15516, 16378, 16809, 17784, 19266, 20688, 22412, 24336, 24567, 25688, 28899, 31032, 32756, 33618, 35568, 38532, 44824, 49134, 50427, 51376, 57798, 62064, 65512, 67236, 72839, 73701, 77064, 89648, 98268, 100854, 106457, 115596, 131024, 134472, 145678, 147402, 154128, 196536, 201708, 212914, 218517, 231192, 268944, 291356, 294804, 319371, 393072, 403416, 425828, 437034, 462384, 582712, 589608, 638742, 655551, 806832, 851656, 874068, 958113, 1165424, 1179216, 1277484, 1311102, 1383941, 1703312, 1748136, 1916226, 2554968, 2622204, 2767882, 3496272, 3832452, 4151823, 5109936, 5244408, 5535764, 7664904, 8303646, 10488816, 11071528, 12455469, 15329808, 16607292, 22143056, 24910938, 33214584, 49821876, 66429168, 99643752, 199287504]

約数ペア:

[(1, 199287504), (2, 99643752), (3, 66429168), (4, 49821876), (6, 33214584), (8, 24910938), (9, 22143056), (12, 16607292), (13, 15329808), (16, 12455469), (18, 11071528), (19, 10488816), (24, 8303646), (26, 7664904), (36, 5535764), (38, 5244408), (39, 5109936), (48, 4151823), (52, 3832452), (57, 3496272), (72, 2767882), (76, 2622204), (78, 2554968), (104, 1916226), (114, 1748136), (117, 1703312), (144, 1383941), (152, 1311102), (156, 1277484), (169, 1179216), (171, 1165424), (208, 958113), (228, 874068), (234, 851656), (247, 806832), (304, 655551), (312, 638742), (338, 589608), (342, 582712), (431, 462384), (456, 437034), (468, 425828), (494, 403416), (507, 393072), (624, 319371), (676, 294804), (684, 291356), (741, 268944), (862, 231192), (912, 218517), (936, 212914), (988, 201708), (1014, 196536), (1293, 154128), (1352, 147402), (1368, 145678), (1482, 134472), (1521, 131024), (1724, 115596), (1872, 106457), (1976, 100854), (2028, 98268), (2223, 89648), (2586, 77064), (2704, 73701), (2736, 72839), (2964, 67236), (3042, 65512), (3211, 62064), (3448, 57798), (3879, 51376), (3952, 50427), (4056, 49134), (4446, 44824), (5172, 38532), (5603, 35568), (5928, 33618), (6084, 32756), (6422, 31032), (6896, 28899), (7758, 25688), (8112, 24567), (8189, 24336), (8892, 22412), (9633, 20688), (10344, 19266), (11206, 17784), (11856, 16809), (12168, 16378), (12844, 15516)]