7220220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17191}}^1$

素因数の和:17210

約数の個数: 48

約数和(自身を含む): 23106048

約数和(自身を除く): 15885828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 17191, 34382, 51573, 68764, 85955, 103146, 120337, 171910, 206292, 240674, 257865, 343820, 361011, 481348, 515730, 601685, 722022, 1031460, 1203370, 1444044, 1805055, 2406740, 3610110, 7220220]

約数ペア:

[(1, 7220220), (2, 3610110), (3, 2406740), (4, 1805055), (5, 1444044), (6, 1203370), (7, 1031460), (10, 722022), (12, 601685), (14, 515730), (15, 481348), (20, 361011), (21, 343820), (28, 257865), (30, 240674), (35, 206292), (42, 171910), (60, 120337), (70, 103146), (84, 85955), (105, 68764), (140, 51573), (210, 34382), (420, 17191)]