18478600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 50086080

約数和(自身を除く): 31607480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 67, 70, 100, 134, 140, 175, 197, 200, 268, 280, 335, 350, 394, 469, 536, 670, 700, 788, 938, 985, 1340, 1379, 1400, 1576, 1675, 1876, 1970, 2345, 2680, 2758, 3350, 3752, 3940, 4690, 4925, 5516, 6700, 6895, 7880, 9380, 9850, 11032, 11725, 13199, 13400, 13790, 18760, 19700, 23450, 26398, 27580, 34475, 39400, 46900, 52796, 55160, 65995, 68950, 92393, 93800, 105592, 131990, 137900, 184786, 263980, 275800, 329975, 369572, 461965, 527960, 659950, 739144, 923930, 1319900, 1847860, 2309825, 2639800, 3695720, 4619650, 9239300, 18478600]

約数ペア:

[(1, 18478600), (2, 9239300), (4, 4619650), (5, 3695720), (7, 2639800), (8, 2309825), (10, 1847860), (14, 1319900), (20, 923930), (25, 739144), (28, 659950), (35, 527960), (40, 461965), (50, 369572), (56, 329975), (67, 275800), (70, 263980), (100, 184786), (134, 137900), (140, 131990), (175, 105592), (197, 93800), (200, 92393), (268, 68950), (280, 65995), (335, 55160), (350, 52796), (394, 46900), (469, 39400), (536, 34475), (670, 27580), (700, 26398), (788, 23450), (938, 19700), (985, 18760), (1340, 13790), (1379, 13400), (1400, 13199), (1576, 11725), (1675, 11032), (1876, 9850), (1970, 9380), (2345, 7880), (2680, 6895), (2758, 6700), (3350, 5516), (3752, 4925), (3940, 4690)]