8380225

素因数分解:

$5^2\times 7^2\times {\mathrm{6841}}^1$

素因数の和:6865

約数の個数: 18

約数和(自身を含む): 12089814

約数和(自身を除く): 3709589

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 6841, 34205, 47887, 171025, 239435, 335209, 1197175, 1676045, 8380225]

約数ペア:

[(1, 8380225), (5, 1676045), (7, 1197175), (25, 335209), (35, 239435), (49, 171025), (175, 47887), (245, 34205), (1225, 6841)]