408047260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1200139}}^1$

素因数の和:1200165

約数の個数: 24

約数和(自身を含む): 907305840

約数和(自身を除く): 499258580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1200139, 2400278, 4800556, 6000695, 12001390, 20402363, 24002780, 40804726, 81609452, 102011815, 204023630, 408047260]

約数ペア:

[(1, 408047260), (2, 204023630), (4, 102011815), (5, 81609452), (10, 40804726), (17, 24002780), (20, 20402363), (34, 12001390), (68, 6000695), (85, 4800556), (170, 2400278), (340, 1200139)]