277226740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1980191}}^1$

素因数の和:1980207

約数の個数: 24

約数和(自身を含む): 665344512

約数和(自身を除く): 388117772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1980191, 3960382, 7920764, 9900955, 13861337, 19801910, 27722674, 39603820, 55445348, 69306685, 138613370, 277226740]

約数ペア:

[(1, 277226740), (2, 138613370), (4, 69306685), (5, 55445348), (7, 39603820), (10, 27722674), (14, 19801910), (20, 13861337), (28, 9900955), (35, 7920764), (70, 3960382), (140, 1980191)]