217435480

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{33349}}^1$

素因数の和:33523

約数の個数: 32

約数和(自身を含む): 492246000

約数和(自身を除く): 274810520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 33349, 66698, 133396, 166745, 266792, 333490, 666980, 1333960, 5435887, 10871774, 21743548, 27179435, 43487096, 54358870, 108717740, 217435480]

約数ペア:

[(1, 217435480), (2, 108717740), (4, 54358870), (5, 43487096), (8, 27179435), (10, 21743548), (20, 10871774), (40, 5435887), (163, 1333960), (326, 666980), (652, 333490), (815, 266792), (1304, 166745), (1630, 133396), (3260, 66698), (6520, 33349)]