217258900

素因数分解:

$2^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{17107}}^1$

素因数の和:17248

約数の個数: 36

約数和(自身を含む): 475191808

約数和(自身を除く): 257932908

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 254, 508, 635, 1270, 2540, 3175, 6350, 12700, 17107, 34214, 68428, 85535, 171070, 342140, 427675, 855350, 1710700, 2172589, 4345178, 8690356, 10862945, 21725890, 43451780, 54314725, 108629450, 217258900]

約数ペア:

[(1, 217258900), (2, 108629450), (4, 54314725), (5, 43451780), (10, 21725890), (20, 10862945), (25, 8690356), (50, 4345178), (100, 2172589), (127, 1710700), (254, 855350), (508, 427675), (635, 342140), (1270, 171070), (2540, 85535), (3175, 68428), (6350, 34214), (12700, 17107)]