201408775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 275768064

約数和(自身を除く): 74359289

約数列:

[1, 5, 17, 25, 43, 85, 103, 107, 215, 425, 515, 535, 731, 1075, 1751, 1819, 2575, 2675, 3655, 4429, 4601, 8755, 9095, 11021, 18275, 22145, 23005, 43775, 45475, 55105, 75293, 78217, 110725, 115025, 187357, 275525, 376465, 391085, 473903, 936785, 1882325, 1955425, 2369515, 4683925, 8056351, 11847575, 40281755, 201408775]

約数ペア:

[(1, 201408775), (5, 40281755), (17, 11847575), (25, 8056351), (43, 4683925), (85, 2369515), (103, 1955425), (107, 1882325), (215, 936785), (425, 473903), (515, 391085), (535, 376465), (731, 275525), (1075, 187357), (1751, 115025), (1819, 110725), (2575, 78217), (2675, 75293), (3655, 55105), (4429, 45475), (4601, 43775), (8755, 23005), (9095, 22145), (11021, 18275)]