142696780

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{39419}}^1$

素因数の和:39609

約数の個数: 24

約数和(自身を含む): 301326480

約数和(自身を除く): 158629700

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 39419, 78838, 157676, 197095, 394190, 788380, 7134839, 14269678, 28539356, 35674195, 71348390, 142696780]

約数ペア:

[(1, 142696780), (2, 71348390), (4, 35674195), (5, 28539356), (10, 14269678), (20, 7134839), (181, 788380), (362, 394190), (724, 197095), (905, 157676), (1810, 78838), (3620, 39419)]