199442875

素因数分解:

$5^3\times {\mathrm{397}}^1\times {\mathrm{4019}}^1$

素因数の和:4431

約数の個数: 16

約数和(自身を含む): 249593760

約数和(自身を除く): 50150885

約数列:

[1, 5, 25, 125, 397, 1985, 4019, 9925, 20095, 49625, 100475, 502375, 1595543, 7977715, 39888575, 199442875]

約数ペア:

[(1, 199442875), (5, 39888575), (25, 7977715), (125, 1595543), (397, 502375), (1985, 100475), (4019, 49625), (9925, 20095)]