9905420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{70753}}^1$

素因数の和:70769

約数の個数: 24

約数和(自身を含む): 23773344

約数和(自身を除く): 13867924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 70753, 141506, 283012, 353765, 495271, 707530, 990542, 1415060, 1981084, 2476355, 4952710, 9905420]

約数ペア:

[(1, 9905420), (2, 4952710), (4, 2476355), (5, 1981084), (7, 1415060), (10, 990542), (14, 707530), (20, 495271), (28, 353765), (35, 283012), (70, 141506), (140, 70753)]