280409872

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{45053}}^1$

素因数の和:45450

約数の個数: 20

約数和(自身を含む): 544702860

約数和(自身を除く): 264292988

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 45053, 90106, 180212, 360424, 720848, 17525617, 35051234, 70102468, 140204936, 280409872]

約数ペア:

[(1, 280409872), (2, 140204936), (4, 70102468), (8, 35051234), (16, 17525617), (389, 720848), (778, 360424), (1556, 180212), (3112, 90106), (6224, 45053)]