987100

素因数分解:

$2^2\times 5^2\times {\mathrm{9871}}^1$

素因数の和:9885

約数の個数: 18

約数和(自身を含む): 2142224

約数和(自身を除く): 1155124

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 9871, 19742, 39484, 49355, 98710, 197420, 246775, 493550, 987100]

約数ペア:

[(1, 987100), (2, 493550), (4, 246775), (5, 197420), (10, 98710), (20, 49355), (25, 39484), (50, 19742), (100, 9871)]