140169025

素因数分解:

$5^2\times {\mathrm{67}}^2\times {\mathrm{1249}}^1$

素因数の和:1393

約数の個数: 18

約数和(自身を含む): 176583750

約数和(自身を除く): 36414725

約数列:

[1, 5, 25, 67, 335, 1249, 1675, 4489, 6245, 22445, 31225, 83683, 112225, 418415, 2092075, 5606761, 28033805, 140169025]

約数ペア:

[(1, 140169025), (5, 28033805), (25, 5606761), (67, 2092075), (335, 418415), (1249, 112225), (1675, 83683), (4489, 31225), (6245, 22445)]