216100000

素因数分解:

$2^5\times 5^5\times {\mathrm{2161}}^1$

素因数の和:2196

約数の個数: 72

約数和(自身を含む): 532020636

約数和(自身を除く): 315920636

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2161, 2500, 3125, 4000, 4322, 5000, 6250, 8644, 10000, 10805, 12500, 17288, 20000, 21610, 25000, 34576, 43220, 50000, 54025, 69152, 86440, 100000, 108050, 172880, 216100, 270125, 345760, 432200, 540250, 864400, 1080500, 1350625, 1728800, 2161000, 2701250, 4322000, 5402500, 6753125, 8644000, 10805000, 13506250, 21610000, 27012500, 43220000, 54025000, 108050000, 216100000]

約数ペア:

[(1, 216100000), (2, 108050000), (4, 54025000), (5, 43220000), (8, 27012500), (10, 21610000), (16, 13506250), (20, 10805000), (25, 8644000), (32, 6753125), (40, 5402500), (50, 4322000), (80, 2701250), (100, 2161000), (125, 1728800), (160, 1350625), (200, 1080500), (250, 864400), (400, 540250), (500, 432200), (625, 345760), (800, 270125), (1000, 216100), (1250, 172880), (2000, 108050), (2161, 100000), (2500, 86440), (3125, 69152), (4000, 54025), (4322, 50000), (5000, 43220), (6250, 34576), (8644, 25000), (10000, 21610), (10805, 20000), (12500, 17288)]