169628980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197243}}^1$

素因数の和:197295

約数の個数: 24

約数和(自身を含む): 364506912

約数和(自身を除く): 194877932

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 197243, 394486, 788972, 986215, 1972430, 3944860, 8481449, 16962898, 33925796, 42407245, 84814490, 169628980]

約数ペア:

[(1, 169628980), (2, 84814490), (4, 42407245), (5, 33925796), (10, 16962898), (20, 8481449), (43, 3944860), (86, 1972430), (172, 986215), (215, 788972), (430, 394486), (860, 197243)]