285640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 663480

約数和(自身を除く): 377840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 193, 296, 370, 386, 740, 772, 965, 1480, 1544, 1930, 3860, 7141, 7720, 14282, 28564, 35705, 57128, 71410, 142820, 285640]

約数ペア:

[(1, 285640), (2, 142820), (4, 71410), (5, 57128), (8, 35705), (10, 28564), (20, 14282), (37, 7720), (40, 7141), (74, 3860), (148, 1930), (185, 1544), (193, 1480), (296, 965), (370, 772), (386, 740)]