121913260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{870809}}^1$

素因数の和:870825

約数の個数: 24

約数和(自身を含む): 292592160

約数和(自身を除く): 170678900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 870809, 1741618, 3483236, 4354045, 6095663, 8708090, 12191326, 17416180, 24382652, 30478315, 60956630, 121913260]

約数ペア:

[(1, 121913260), (2, 60956630), (4, 30478315), (5, 24382652), (7, 17416180), (10, 12191326), (14, 8708090), (20, 6095663), (28, 4354045), (35, 3483236), (70, 1741618), (140, 870809)]