398360

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 937440

約数和(自身を除く): 539080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 433, 460, 866, 920, 1732, 2165, 3464, 4330, 8660, 9959, 17320, 19918, 39836, 49795, 79672, 99590, 199180, 398360]

約数ペア:

[(1, 398360), (2, 199180), (4, 99590), (5, 79672), (8, 49795), (10, 39836), (20, 19918), (23, 17320), (40, 9959), (46, 8660), (92, 4330), (115, 3464), (184, 2165), (230, 1732), (433, 920), (460, 866)]