3922940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{4003}}^1$

素因数の和:4026

約数の個数: 36

約数和(自身を含む): 9585576

約数和(自身を除く): 5662636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 4003, 8006, 16012, 20015, 28021, 40030, 56042, 80060, 112084, 140105, 196147, 280210, 392294, 560420, 784588, 980735, 1961470, 3922940]

約数ペア:

[(1, 3922940), (2, 1961470), (4, 980735), (5, 784588), (7, 560420), (10, 392294), (14, 280210), (20, 196147), (28, 140105), (35, 112084), (49, 80060), (70, 56042), (98, 40030), (140, 28021), (196, 20015), (245, 16012), (490, 8006), (980, 4003)]