90284620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{265543}}^1$

素因数の和:265569

約数の個数: 24

約数和(自身を含む): 200751264

約数和(自身を除く): 110466644

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 265543, 531086, 1062172, 1327715, 2655430, 4514231, 5310860, 9028462, 18056924, 22571155, 45142310, 90284620]

約数ペア:

[(1, 90284620), (2, 45142310), (4, 22571155), (5, 18056924), (10, 9028462), (17, 5310860), (20, 4514231), (34, 2655430), (68, 1327715), (85, 1062172), (170, 531086), (340, 265543)]