4991875

素因数分解:

$5^4\times 7^2\times {\mathrm{163}}^1$

素因数の和:197

約数の個数: 30

約数和(自身を含む): 7300788

約数和(自身を除く): 2308913

約数列:

[1, 5, 7, 25, 35, 49, 125, 163, 175, 245, 625, 815, 875, 1141, 1225, 4075, 4375, 5705, 6125, 7987, 20375, 28525, 30625, 39935, 101875, 142625, 199675, 713125, 998375, 4991875]

約数ペア:

[(1, 4991875), (5, 998375), (7, 713125), (25, 199675), (35, 142625), (49, 101875), (125, 39935), (163, 30625), (175, 28525), (245, 20375), (625, 7987), (815, 6125), (875, 5705), (1141, 4375), (1225, 4075)]