2912205130

素因数分解:

$2^1\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{145829}}^1$

素因数の和:147833

約数の個数: 16

約数和(自身を含む): 5244630120

約数和(自身を除く): 2332424990

約数列:

[1, 2, 5, 10, 1997, 3994, 9985, 19970, 145829, 291658, 729145, 1458290, 291220513, 582441026, 1456102565, 2912205130]

約数ペア:

[(1, 2912205130), (2, 1456102565), (5, 582441026), (10, 291220513), (1997, 1458290), (3994, 729145), (9985, 291658), (19970, 145829)]