2472220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1741}}^1$

素因数の和:1821

約数の個数: 24

約数和(自身を含む): 5267808

約数和(自身を除く): 2795588

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1741, 3482, 6964, 8705, 17410, 34820, 123611, 247222, 494444, 618055, 1236110, 2472220]

約数ペア:

[(1, 2472220), (2, 1236110), (4, 618055), (5, 494444), (10, 247222), (20, 123611), (71, 34820), (142, 17410), (284, 8705), (355, 6964), (710, 3482), (1420, 1741)]