218262025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{607}}^1\times {\mathrm{757}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 285735680

約数和(自身を除く): 67473655

約数列:

[1, 5, 19, 25, 95, 475, 607, 757, 3035, 3785, 11533, 14383, 15175, 18925, 57665, 71915, 288325, 359575, 459499, 2297495, 8730481, 11487475, 43652405, 218262025]

約数ペア:

[(1, 218262025), (5, 43652405), (19, 11487475), (25, 8730481), (95, 2297495), (475, 459499), (607, 359575), (757, 288325), (3035, 71915), (3785, 57665), (11533, 18925), (14383, 15175)]