30981140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{91121}}^1$

素因数の和:91147

約数の個数: 24

約数和(自身を含む): 68888232

約数和(自身を除く): 37907092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 91121, 182242, 364484, 455605, 911210, 1549057, 1822420, 3098114, 6196228, 7745285, 15490570, 30981140]

約数ペア:

[(1, 30981140), (2, 15490570), (4, 7745285), (5, 6196228), (10, 3098114), (17, 1822420), (20, 1549057), (34, 911210), (68, 455605), (85, 364484), (170, 182242), (340, 91121)]