219392450

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{102043}}^1$

素因数の和:102098

約数の個数: 24

約数和(自身を含む): 417564048

約数和(自身を除く): 198171598

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 102043, 204086, 510215, 1020430, 2551075, 4387849, 5102150, 8775698, 21939245, 43878490, 109696225, 219392450]

約数ペア:

[(1, 219392450), (2, 109696225), (5, 43878490), (10, 21939245), (25, 8775698), (43, 5102150), (50, 4387849), (86, 2551075), (215, 1020430), (430, 510215), (1075, 204086), (2150, 102043)]