214375

素因数分解:

$5^4\times 7^3$

素因数の和:41

約数の個数: 20

約数和(自身を含む): 312400

約数和(自身を除く): 98025

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 343, 625, 875, 1225, 1715, 4375, 6125, 8575, 30625, 42875, 214375]

約数ペア:

[(1, 214375), (5, 42875), (7, 30625), (25, 8575), (35, 6125), (49, 4375), (125, 1715), (175, 1225), (245, 875), (343, 625)]