505460

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 1075200

約数和(自身を除く): 569740

約数列:

[1, 2, 4, 5, 10, 20, 127, 199, 254, 398, 508, 635, 796, 995, 1270, 1990, 2540, 3980, 25273, 50546, 101092, 126365, 252730, 505460]

約数ペア:

[(1, 505460), (2, 252730), (4, 126365), (5, 101092), (10, 50546), (20, 25273), (127, 3980), (199, 2540), (254, 1990), (398, 1270), (508, 995), (635, 796)]