219781550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{231349}}^1$

素因数の和:231380

約数の個数: 24

約数和(自身を含む): 430311000

約数和(自身を除く): 210529450

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 231349, 462698, 1156745, 2313490, 4395631, 5783725, 8791262, 11567450, 21978155, 43956310, 109890775, 219781550]

約数ペア:

[(1, 219781550), (2, 109890775), (5, 43956310), (10, 21978155), (19, 11567450), (25, 8791262), (38, 5783725), (50, 4395631), (95, 2313490), (190, 1156745), (475, 462698), (950, 231349)]