123720940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{883721}}^1$

素因数の和:883737

約数の個数: 24

約数和(自身を含む): 296930592

約数和(自身を除く): 173209652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 883721, 1767442, 3534884, 4418605, 6186047, 8837210, 12372094, 17674420, 24744188, 30930235, 61860470, 123720940]

約数ペア:

[(1, 123720940), (2, 61860470), (4, 30930235), (5, 24744188), (7, 17674420), (10, 12372094), (14, 8837210), (20, 6186047), (28, 4418605), (35, 3534884), (70, 1767442), (140, 883721)]