144320780

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{14461}}^1$

素因数の和:14969

約数の個数: 24

約数和(自身を含む): 303702000

約数和(自身を除く): 159381220

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9980, 14461, 28922, 57844, 72305, 144610, 289220, 7216039, 14432078, 28864156, 36080195, 72160390, 144320780]

約数ペア:

[(1, 144320780), (2, 72160390), (4, 36080195), (5, 28864156), (10, 14432078), (20, 7216039), (499, 289220), (998, 144610), (1996, 72305), (2495, 57844), (4990, 28922), (9980, 14461)]