398575008

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:492

約数の個数: 216

約数和(自身を含む): 1294937280

約数和(自身を除く): 896362272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 72, 76, 78, 96, 104, 114, 117, 144, 152, 156, 169, 171, 208, 228, 234, 247, 288, 304, 312, 338, 342, 416, 431, 456, 468, 494, 507, 608, 624, 676, 684, 741, 862, 912, 936, 988, 1014, 1248, 1293, 1352, 1368, 1482, 1521, 1724, 1824, 1872, 1976, 2028, 2223, 2586, 2704, 2736, 2964, 3042, 3211, 3448, 3744, 3879, 3952, 4056, 4446, 5172, 5408, 5472, 5603, 5928, 6084, 6422, 6896, 7758, 7904, 8112, 8189, 8892, 9633, 10344, 11206, 11856, 12168, 12844, 13792, 15516, 16224, 16378, 16809, 17784, 19266, 20688, 22412, 23712, 24336, 24567, 25688, 28899, 31032, 32756, 33618, 35568, 38532, 41376, 44824, 48672, 49134, 50427, 51376, 57798, 62064, 65512, 67236, 71136, 72839, 73701, 77064, 89648, 98268, 100854, 102752, 106457, 115596, 124128, 131024, 134472, 145678, 147402, 154128, 179296, 196536, 201708, 212914, 218517, 231192, 262048, 268944, 291356, 294804, 308256, 319371, 393072, 403416, 425828, 437034, 462384, 537888, 582712, 589608, 638742, 655551, 786144, 806832, 851656, 874068, 924768, 958113, 1165424, 1179216, 1277484, 1311102, 1383941, 1613664, 1703312, 1748136, 1916226, 2330848, 2358432, 2554968, 2622204, 2767882, 3406624, 3496272, 3832452, 4151823, 5109936, 5244408, 5535764, 6992544, 7664904, 8303646, 10219872, 10488816, 11071528, 12455469, 15329808, 16607292, 20977632, 22143056, 24910938, 30659616, 33214584, 44286112, 49821876, 66429168, 99643752, 132858336, 199287504, 398575008]

約数ペア:

[(1, 398575008), (2, 199287504), (3, 132858336), (4, 99643752), (6, 66429168), (8, 49821876), (9, 44286112), (12, 33214584), (13, 30659616), (16, 24910938), (18, 22143056), (19, 20977632), (24, 16607292), (26, 15329808), (32, 12455469), (36, 11071528), (38, 10488816), (39, 10219872), (48, 8303646), (52, 7664904), (57, 6992544), (72, 5535764), (76, 5244408), (78, 5109936), (96, 4151823), (104, 3832452), (114, 3496272), (117, 3406624), (144, 2767882), (152, 2622204), (156, 2554968), (169, 2358432), (171, 2330848), (208, 1916226), (228, 1748136), (234, 1703312), (247, 1613664), (288, 1383941), (304, 1311102), (312, 1277484), (338, 1179216), (342, 1165424), (416, 958113), (431, 924768), (456, 874068), (468, 851656), (494, 806832), (507, 786144), (608, 655551), (624, 638742), (676, 589608), (684, 582712), (741, 537888), (862, 462384), (912, 437034), (936, 425828), (988, 403416), (1014, 393072), (1248, 319371), (1293, 308256), (1352, 294804), (1368, 291356), (1482, 268944), (1521, 262048), (1724, 231192), (1824, 218517), (1872, 212914), (1976, 201708), (2028, 196536), (2223, 179296), (2586, 154128), (2704, 147402), (2736, 145678), (2964, 134472), (3042, 131024), (3211, 124128), (3448, 115596), (3744, 106457), (3879, 102752), (3952, 100854), (4056, 98268), (4446, 89648), (5172, 77064), (5408, 73701), (5472, 72839), (5603, 71136), (5928, 67236), (6084, 65512), (6422, 62064), (6896, 57798), (7758, 51376), (7904, 50427), (8112, 49134), (8189, 48672), (8892, 44824), (9633, 41376), (10344, 38532), (11206, 35568), (11856, 33618), (12168, 32756), (12844, 31032), (13792, 28899), (15516, 25688), (16224, 24567), (16378, 24336), (16809, 23712), (17784, 22412), (19266, 20688)]