328060

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 705600

約数和(自身を除く): 377540

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 349, 470, 698, 940, 1396, 1745, 3490, 6980, 16403, 32806, 65612, 82015, 164030, 328060]

約数ペア:

[(1, 328060), (2, 164030), (4, 82015), (5, 65612), (10, 32806), (20, 16403), (47, 6980), (94, 3490), (188, 1745), (235, 1396), (349, 940), (470, 698)]