155514940420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1110821003}}^1$

素因数の和:1110821019

約数の個数: 24

約数和(自身を含む): 373235857344

約数和(自身を除く): 217720916924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1110821003, 2221642006, 4443284012, 5554105015, 7775747021, 11108210030, 15551494042, 22216420060, 31102988084, 38878735105, 77757470210, 155514940420]

約数ペア:

[(1, 155514940420), (2, 77757470210), (4, 38878735105), (5, 31102988084), (7, 22216420060), (10, 15551494042), (14, 11108210030), (20, 7775747021), (28, 5554105015), (35, 4443284012), (70, 2221642006), (140, 1110821003)]