978173860

素因数分解:

$2^2\times 5^1\times {\mathrm{48908693}}^1$

素因数の和:48908702

約数の個数: 12

約数和(自身を含む): 2054165148

約数和(自身を除く): 1075991288

約数列:

[1, 2, 4, 5, 10, 20, 48908693, 97817386, 195634772, 244543465, 489086930, 978173860]

約数ペア:

[(1, 978173860), (2, 489086930), (4, 244543465), (5, 195634772), (10, 97817386), (20, 48908693)]