121240420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{866003}}^1$

素因数の和:866019

約数の個数: 24

約数和(自身を含む): 290977344

約数和(自身を除く): 169736924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 866003, 1732006, 3464012, 4330015, 6062021, 8660030, 12124042, 17320060, 24248084, 30310105, 60620210, 121240420]

約数ペア:

[(1, 121240420), (2, 60620210), (4, 30310105), (5, 24248084), (7, 17320060), (10, 12124042), (14, 8660030), (20, 6062021), (28, 4330015), (35, 3464012), (70, 1732006), (140, 866003)]