71404220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{48907}}^1$

素因数の和:48989

約数の個数: 24

約数和(自身を含む): 152006064

約数和(自身を除く): 80601844

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 48907, 97814, 195628, 244535, 489070, 978140, 3570211, 7140422, 14280844, 17851055, 35702110, 71404220]

約数ペア:

[(1, 71404220), (2, 35702110), (4, 17851055), (5, 14280844), (10, 7140422), (20, 3570211), (73, 978140), (146, 489070), (292, 244535), (365, 195628), (730, 97814), (1460, 48907)]