19614700

素因数分解:

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

素因数の和:4031

約数の個数: 54

約数和(自身を含む): 49525476

約数和(自身を除く): 29910776

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4003, 4900, 8006, 16012, 20015, 28021, 40030, 56042, 80060, 100075, 112084, 140105, 196147, 200150, 280210, 392294, 400300, 560420, 700525, 784588, 980735, 1401050, 1961470, 2802100, 3922940, 4903675, 9807350, 19614700]

約数ペア:

[(1, 19614700), (2, 9807350), (4, 4903675), (5, 3922940), (7, 2802100), (10, 1961470), (14, 1401050), (20, 980735), (25, 784588), (28, 700525), (35, 560420), (49, 400300), (50, 392294), (70, 280210), (98, 200150), (100, 196147), (140, 140105), (175, 112084), (196, 100075), (245, 80060), (350, 56042), (490, 40030), (700, 28021), (980, 20015), (1225, 16012), (2450, 8006), (4003, 4900)]