7845880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4003}}^1$

素因数の和:4028

約数の個数: 48

約数和(自身を含む): 20540520

約数和(自身を除く): 12694640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 4003, 8006, 16012, 20015, 28021, 32024, 40030, 56042, 80060, 112084, 140105, 160120, 196147, 224168, 280210, 392294, 560420, 784588, 980735, 1120840, 1569176, 1961470, 3922940, 7845880]

約数ペア:

[(1, 7845880), (2, 3922940), (4, 1961470), (5, 1569176), (7, 1120840), (8, 980735), (10, 784588), (14, 560420), (20, 392294), (28, 280210), (35, 224168), (40, 196147), (49, 160120), (56, 140105), (70, 112084), (98, 80060), (140, 56042), (196, 40030), (245, 32024), (280, 28021), (392, 20015), (490, 16012), (980, 8006), (1960, 4003)]