28781510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 57558816

約数和(自身を除く): 28777306

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 289, 391, 433, 578, 782, 866, 1445, 1955, 2165, 2890, 3910, 4330, 6647, 7361, 9959, 13294, 14722, 19918, 33235, 36805, 49795, 66470, 73610, 99590, 125137, 169303, 250274, 338606, 625685, 846515, 1251370, 1693030, 2878151, 5756302, 14390755, 28781510]

約数ペア:

[(1, 28781510), (2, 14390755), (5, 5756302), (10, 2878151), (17, 1693030), (23, 1251370), (34, 846515), (46, 625685), (85, 338606), (115, 250274), (170, 169303), (230, 125137), (289, 99590), (391, 73610), (433, 66470), (578, 49795), (782, 36805), (866, 33235), (1445, 19918), (1955, 14722), (2165, 13294), (2890, 9959), (3910, 7361), (4330, 6647)]