1945225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 2678400

約数和(自身を除く): 733175

約数列:

[1, 5, 17, 23, 25, 85, 115, 199, 391, 425, 575, 995, 1955, 3383, 4577, 4975, 9775, 16915, 22885, 77809, 84575, 114425, 389045, 1945225]

約数ペア:

[(1, 1945225), (5, 389045), (17, 114425), (23, 84575), (25, 77809), (85, 22885), (115, 16915), (199, 9775), (391, 4975), (425, 4577), (575, 3383), (995, 1955)]