200812900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{105691}}^1$

素因数の和:105724

約数の個数: 36

約数和(自身を含む): 458703280

約数和(自身を除く): 257890380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 105691, 211382, 422764, 528455, 1056910, 2008129, 2113820, 2642275, 4016258, 5284550, 8032516, 10040645, 10569100, 20081290, 40162580, 50203225, 100406450, 200812900]

約数ペア:

[(1, 200812900), (2, 100406450), (4, 50203225), (5, 40162580), (10, 20081290), (19, 10569100), (20, 10040645), (25, 8032516), (38, 5284550), (50, 4016258), (76, 2642275), (95, 2113820), (100, 2008129), (190, 1056910), (380, 528455), (475, 422764), (950, 211382), (1900, 105691)]