3892220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2741}}^1$

素因数の和:2821

約数の個数: 24

約数和(自身を含む): 8291808

約数和(自身を除く): 4399588

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2741, 5482, 10964, 13705, 27410, 54820, 194611, 389222, 778444, 973055, 1946110, 3892220]

約数ペア:

[(1, 3892220), (2, 1946110), (4, 973055), (5, 778444), (10, 389222), (20, 194611), (71, 54820), (142, 27410), (284, 13705), (355, 10964), (710, 5482), (1420, 2741)]