881380

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 1870848

約数和(自身を除く): 989468

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 347, 508, 635, 694, 1270, 1388, 1735, 2540, 3470, 6940, 44069, 88138, 176276, 220345, 440690, 881380]

約数ペア:

[(1, 881380), (2, 440690), (4, 220345), (5, 176276), (10, 88138), (20, 44069), (127, 6940), (254, 3470), (347, 2540), (508, 1735), (635, 1388), (694, 1270)]