407019875

素因数分解:

$5^3\times {\mathrm{839}}^1\times {\mathrm{3881}}^1$

素因数の和:4735

約数の個数: 16

約数和(自身を含む): 508697280

約数和(自身を除く): 101677405

約数列:

[1, 5, 25, 125, 839, 3881, 4195, 19405, 20975, 97025, 104875, 485125, 3256159, 16280795, 81403975, 407019875]

約数ペア:

[(1, 407019875), (5, 81403975), (25, 16280795), (125, 3256159), (839, 485125), (3881, 104875), (4195, 97025), (19405, 20975)]