749203820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1971589}}^1$

素因数の和:1971617

約数の個数: 24

約数和(自身を含む): 1656135600

約数和(自身を除く): 906931780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1971589, 3943178, 7886356, 9857945, 19715890, 37460191, 39431780, 74920382, 149840764, 187300955, 374601910, 749203820]

約数ペア:

[(1, 749203820), (2, 374601910), (4, 187300955), (5, 149840764), (10, 74920382), (19, 39431780), (20, 37460191), (38, 19715890), (76, 9857945), (95, 7886356), (190, 3943178), (380, 1971589)]