204220225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{742619}}^1$

素因数の和:742640

約数の個数: 12

約数和(自身を含む): 276254640

約数和(自身を除く): 72034415

約数列:

[1, 5, 11, 25, 55, 275, 742619, 3713095, 8168809, 18565475, 40844045, 204220225]

約数ペア:

[(1, 204220225), (5, 40844045), (11, 18565475), (25, 8168809), (55, 3713095), (275, 742619)]