217568900

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{11273}}^1$

素因数の和:11480

約数の個数: 36

約数和(自身を含む): 474612852

約数和(自身を除く): 257043952

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 772, 965, 1930, 3860, 4825, 9650, 11273, 19300, 22546, 45092, 56365, 112730, 225460, 281825, 563650, 1127300, 2175689, 4351378, 8702756, 10878445, 21756890, 43513780, 54392225, 108784450, 217568900]

約数ペア:

[(1, 217568900), (2, 108784450), (4, 54392225), (5, 43513780), (10, 21756890), (20, 10878445), (25, 8702756), (50, 4351378), (100, 2175689), (193, 1127300), (386, 563650), (772, 281825), (965, 225460), (1930, 112730), (3860, 56365), (4825, 45092), (9650, 22546), (11273, 19300)]