2749220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1361}}^1$

素因数の和:1471

約数の個数: 24

約数和(自身を含む): 5834808

約数和(自身を除く): 3085588

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1361, 2020, 2722, 5444, 6805, 13610, 27220, 137461, 274922, 549844, 687305, 1374610, 2749220]

約数ペア:

[(1, 2749220), (2, 1374610), (4, 687305), (5, 549844), (10, 274922), (20, 137461), (101, 27220), (202, 13610), (404, 6805), (505, 5444), (1010, 2722), (1361, 2020)]