969968125

素因数分解:

$5^4\times 7^1\times {\mathrm{221707}}^1$

素因数の和:221734

約数の個数: 20

約数和(自身を含む): 1385231584

約数和(自身を除く): 415263459

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 875, 4375, 221707, 1108535, 1551949, 5542675, 7759745, 27713375, 38798725, 138566875, 193993625, 969968125]

約数ペア:

[(1, 969968125), (5, 193993625), (7, 138566875), (25, 38798725), (35, 27713375), (125, 7759745), (175, 5542675), (625, 1551949), (875, 1108535), (4375, 221707)]