1772780

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 3755808

約数和(自身を除く): 1983028

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 647, 685, 1294, 1370, 2588, 2740, 3235, 6470, 12940, 88639, 177278, 354556, 443195, 886390, 1772780]

約数ペア:

[(1, 1772780), (2, 886390), (4, 443195), (5, 354556), (10, 177278), (20, 88639), (137, 12940), (274, 6470), (548, 3235), (647, 2740), (685, 2588), (1294, 1370)]