397288045420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2837771753}}^1$

素因数の和:2837771769

約数の個数: 24

約数和(自身を含む): 953491309344

約数和(自身を除く): 556203263924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2837771753, 5675543506, 11351087012, 14188858765, 19864402271, 28377717530, 39728804542, 56755435060, 79457609084, 99322011355, 198644022710, 397288045420]

約数ペア:

[(1, 397288045420), (2, 198644022710), (4, 99322011355), (5, 79457609084), (7, 56755435060), (10, 39728804542), (14, 28377717530), (20, 19864402271), (28, 14188858765), (35, 11351087012), (70, 5675543506), (140, 2837771753)]