2149440070

素因数分解:

$2^1\times 5^1\times {\mathrm{1559}}^1\times {\mathrm{137873}}^1$

素因数の和:139439

約数の個数: 16

約数和(自身を含む): 3871501920

約数和(自身を除く): 1722061850

約数列:

[1, 2, 5, 10, 1559, 3118, 7795, 15590, 137873, 275746, 689365, 1378730, 214944007, 429888014, 1074720035, 2149440070]

約数ペア:

[(1, 2149440070), (2, 1074720035), (5, 429888014), (10, 214944007), (1559, 1378730), (3118, 689365), (7795, 275746), (15590, 137873)]