42690025

素因数分解:

$5^2\times 7^2\times {\mathrm{34849}}^1$

素因数の和:34873

約数の個数: 18

約数和(自身を含む): 61579950

約数和(自身を除く): 18889925

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 34849, 174245, 243943, 871225, 1219715, 1707601, 6098575, 8538005, 42690025]

約数ペア:

[(1, 42690025), (5, 8538005), (7, 6098575), (25, 1707601), (35, 1219715), (49, 871225), (175, 243943), (245, 174245), (1225, 34849)]