129020275

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{709}}^1$

素因数の和:999

約数の個数: 24

約数和(自身を含む): 166395600

約数和(自身を除く): 37375325

約数列:

[1, 5, 25, 29, 145, 251, 709, 725, 1255, 3545, 6275, 7279, 17725, 20561, 36395, 102805, 177959, 181975, 514025, 889795, 4448975, 5160811, 25804055, 129020275]

約数ペア:

[(1, 129020275), (5, 25804055), (25, 5160811), (29, 4448975), (145, 889795), (251, 514025), (709, 181975), (725, 177959), (1255, 102805), (3545, 36395), (6275, 20561), (7279, 17725)]