217630240

素因数分解:

$2^5\times 5^1\times {\mathrm{1360189}}^1$

素因数の和:1360204

約数の個数: 24

約数和(自身を含む): 514151820

約数和(自身を除く): 296521580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1360189, 2720378, 5440756, 6800945, 10881512, 13601890, 21763024, 27203780, 43526048, 54407560, 108815120, 217630240]

約数ペア:

[(1, 217630240), (2, 108815120), (4, 54407560), (5, 43526048), (8, 27203780), (10, 21763024), (16, 13601890), (20, 10881512), (32, 6800945), (40, 5440756), (80, 2720378), (160, 1360189)]