149549720

素因数分解:

$2^3\times 5^1\times {\mathrm{3738743}}^1$

素因数の和:3738754

約数の個数: 16

約数和(自身を含む): 336486960

約数和(自身を除く): 186937240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3738743, 7477486, 14954972, 18693715, 29909944, 37387430, 74774860, 149549720]

約数ペア:

[(1, 149549720), (2, 74774860), (4, 37387430), (5, 29909944), (8, 18693715), (10, 14954972), (20, 7477486), (40, 3738743)]