139520220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{332191}}^1$

素因数の和:332210

約数の個数: 48

約数和(自身を含む): 446466048

約数和(自身を除く): 306945828

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, 332191, 664382, 996573, 1328764, 1660955, 1993146, 2325337, 3321910, 3986292, 4650674, 4982865, 6643820, 6976011, 9301348, 9965730, 11626685, 13952022, 19931460, 23253370, 27904044, 34880055, 46506740, 69760110, 139520220]

約数ペア:

[(1, 139520220), (2, 69760110), (3, 46506740), (4, 34880055), (5, 27904044), (6, 23253370), (7, 19931460), (10, 13952022), (12, 11626685), (14, 9965730), (15, 9301348), (20, 6976011), (21, 6643820), (28, 4982865), (30, 4650674), (35, 3986292), (42, 3321910), (60, 2325337), (70, 1993146), (84, 1660955), (105, 1328764), (140, 996573), (210, 664382), (420, 332191)]