15247000

素因数分解:

$2^3\times 5^3\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 36316800

約数和(自身を除く): 21069800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 158, 193, 200, 250, 316, 386, 395, 500, 632, 772, 790, 965, 1000, 1544, 1580, 1930, 1975, 3160, 3860, 3950, 4825, 7720, 7900, 9650, 9875, 15247, 15800, 19300, 19750, 24125, 30494, 38600, 39500, 48250, 60988, 76235, 79000, 96500, 121976, 152470, 193000, 304940, 381175, 609880, 762350, 1524700, 1905875, 3049400, 3811750, 7623500, 15247000]

約数ペア:

[(1, 15247000), (2, 7623500), (4, 3811750), (5, 3049400), (8, 1905875), (10, 1524700), (20, 762350), (25, 609880), (40, 381175), (50, 304940), (79, 193000), (100, 152470), (125, 121976), (158, 96500), (193, 79000), (200, 76235), (250, 60988), (316, 48250), (386, 39500), (395, 38600), (500, 30494), (632, 24125), (772, 19750), (790, 19300), (965, 15800), (1000, 15247), (1544, 9875), (1580, 9650), (1930, 7900), (1975, 7720), (3160, 4825), (3860, 3950)]