4488140

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{643}}^1$

素因数の和:1001

約数の個数: 24

約数和(自身を含む): 9466800

約数和(自身を除く): 4978660

約数列:

[1, 2, 4, 5, 10, 20, 349, 643, 698, 1286, 1396, 1745, 2572, 3215, 3490, 6430, 6980, 12860, 224407, 448814, 897628, 1122035, 2244070, 4488140]

約数ペア:

[(1, 4488140), (2, 2244070), (4, 1122035), (5, 897628), (10, 448814), (20, 224407), (349, 12860), (643, 6980), (698, 6430), (1286, 3490), (1396, 3215), (1745, 2572)]