4891880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17471}}^1$

素因数の和:17489

約数の個数: 32

約数和(自身を含む): 12579840

約数和(自身を除く): 7687960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 17471, 34942, 69884, 87355, 122297, 139768, 174710, 244594, 349420, 489188, 611485, 698840, 978376, 1222970, 2445940, 4891880]

約数ペア:

[(1, 4891880), (2, 2445940), (4, 1222970), (5, 978376), (7, 698840), (8, 611485), (10, 489188), (14, 349420), (20, 244594), (28, 174710), (35, 139768), (40, 122297), (56, 87355), (70, 69884), (140, 34942), (280, 17471)]