279039025

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{1361}}^1$

素因数の和:1569

約数の個数: 24

約数和(自身を含む): 354664800

約数和(自身を除く): 75625775

約数列:

[1, 5, 25, 59, 139, 295, 695, 1361, 1475, 3475, 6805, 8201, 34025, 41005, 80299, 189179, 205025, 401495, 945895, 2007475, 4729475, 11161561, 55807805, 279039025]

約数ペア:

[(1, 279039025), (5, 55807805), (25, 11161561), (59, 4729475), (139, 2007475), (295, 945895), (695, 401495), (1361, 205025), (1475, 189179), (3475, 80299), (6805, 41005), (8201, 34025)]