2104490

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{541}}^1$

素因数の和:937

約数の個数: 16

約数和(自身を含む): 3804840

約数和(自身を除く): 1700350

約数列:

[1, 2, 5, 10, 389, 541, 778, 1082, 1945, 2705, 3890, 5410, 210449, 420898, 1052245, 2104490]

約数ペア:

[(1, 2104490), (2, 1052245), (5, 420898), (10, 210449), (389, 5410), (541, 3890), (778, 2705), (1082, 1945)]