4457980

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1627}}^1$

素因数の和:1773

約数の個数: 24

約数和(自身を含む): 9435888

約数和(自身を除く): 4977908

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 1627, 2740, 3254, 6508, 8135, 16270, 32540, 222899, 445798, 891596, 1114495, 2228990, 4457980]

約数ペア:

[(1, 4457980), (2, 2228990), (4, 1114495), (5, 891596), (10, 445798), (20, 222899), (137, 32540), (274, 16270), (548, 8135), (685, 6508), (1370, 3254), (1627, 2740)]