1549220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1091}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 3302208

約数和(自身を除く): 1752988

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1091, 1420, 2182, 4364, 5455, 10910, 21820, 77461, 154922, 309844, 387305, 774610, 1549220]

約数ペア:

[(1, 1549220), (2, 774610), (4, 387305), (5, 309844), (10, 154922), (20, 77461), (71, 21820), (142, 10910), (284, 5455), (355, 4364), (710, 2182), (1091, 1420)]