208536500

素因数分解:

$2^2\times 5^3\times {\mathrm{193}}^1\times {\mathrm{2161}}^1$

素因数の和:2373

約数の個数: 48

約数和(自身を含む): 458015376

約数和(自身を除く): 249478876

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 193, 250, 386, 500, 772, 965, 1930, 2161, 3860, 4322, 4825, 8644, 9650, 10805, 19300, 21610, 24125, 43220, 48250, 54025, 96500, 108050, 216100, 270125, 417073, 540250, 834146, 1080500, 1668292, 2085365, 4170730, 8341460, 10426825, 20853650, 41707300, 52134125, 104268250, 208536500]

約数ペア:

[(1, 208536500), (2, 104268250), (4, 52134125), (5, 41707300), (10, 20853650), (20, 10426825), (25, 8341460), (50, 4170730), (100, 2085365), (125, 1668292), (193, 1080500), (250, 834146), (386, 540250), (500, 417073), (772, 270125), (965, 216100), (1930, 108050), (2161, 96500), (3860, 54025), (4322, 48250), (4825, 43220), (8644, 24125), (9650, 21610), (10805, 19300)]