290278315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^2\times {\mathrm{199}}^1$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 373528800

約数和(自身を除く): 83250485

約数列:

[1, 5, 17, 85, 131, 199, 655, 995, 2227, 3383, 11135, 16915, 17161, 26069, 85805, 130345, 291737, 443173, 1458685, 2215865, 3415039, 17075195, 58055663, 290278315]

約数ペア:

[(1, 290278315), (5, 58055663), (17, 17075195), (85, 3415039), (131, 2215865), (199, 1458685), (655, 443173), (995, 291737), (2227, 130345), (3383, 85805), (11135, 26069), (16915, 17161)]