73940390

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{18439}}^1$

素因数の和:18847

約数の個数: 16

約数和(自身を含む): 133431840

約数和(自身を除く): 59491450

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 18439, 36878, 92195, 184390, 7394039, 14788078, 36970195, 73940390]

約数ペア:

[(1, 73940390), (2, 36970195), (5, 14788078), (10, 7394039), (401, 184390), (802, 92195), (2005, 36878), (4010, 18439)]