12784100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{2609}}^1$

素因数の和:2637

約数の個数: 54

約数和(自身を含む): 32283090

約数和(自身を除く): 19498990

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, 2609, 4900, 5218, 10436, 13045, 18263, 26090, 36526, 52180, 65225, 73052, 91315, 127841, 130450, 182630, 255682, 260900, 365260, 456575, 511364, 639205, 913150, 1278410, 1826300, 2556820, 3196025, 6392050, 12784100]

約数ペア:

[(1, 12784100), (2, 6392050), (4, 3196025), (5, 2556820), (7, 1826300), (10, 1278410), (14, 913150), (20, 639205), (25, 511364), (28, 456575), (35, 365260), (49, 260900), (50, 255682), (70, 182630), (98, 130450), (100, 127841), (140, 91315), (175, 73052), (196, 65225), (245, 52180), (350, 36526), (490, 26090), (700, 18263), (980, 13045), (1225, 10436), (2450, 5218), (2609, 4900)]