28333060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{461}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 68302080

約数和(自身を除く): 39969020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439, 461, 878, 922, 1756, 1844, 2195, 2305, 3073, 3227, 4390, 4610, 6146, 6454, 8780, 9220, 12292, 12908, 15365, 16135, 30730, 32270, 61460, 64540, 202379, 404758, 809516, 1011895, 1416653, 2023790, 2833306, 4047580, 5666612, 7083265, 14166530, 28333060]

約数ペア:

[(1, 28333060), (2, 14166530), (4, 7083265), (5, 5666612), (7, 4047580), (10, 2833306), (14, 2023790), (20, 1416653), (28, 1011895), (35, 809516), (70, 404758), (140, 202379), (439, 64540), (461, 61460), (878, 32270), (922, 30730), (1756, 16135), (1844, 15365), (2195, 12908), (2305, 12292), (3073, 9220), (3227, 8780), (4390, 6454), (4610, 6146)]