1278175

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 24

約数和(自身を含む): 1718640

約数和(自身を除く): 440465

約数列:

[1, 5, 25, 29, 41, 43, 145, 205, 215, 725, 1025, 1075, 1189, 1247, 1763, 5945, 6235, 8815, 29725, 31175, 44075, 51127, 255635, 1278175]

約数ペア:

[(1, 1278175), (5, 255635), (25, 51127), (29, 44075), (41, 31175), (43, 29725), (145, 8815), (205, 6235), (215, 5945), (725, 1763), (1025, 1247), (1075, 1189)]