199484875

素因数分解:

$5^3\times {\mathrm{79}}^1\times {\mathrm{20201}}^1$

素因数の和:20295

約数の個数: 16

約数和(自身を含む): 252120960

約数和(自身を除く): 52636085

約数列:

[1, 5, 25, 79, 125, 395, 1975, 9875, 20201, 101005, 505025, 1595879, 2525125, 7979395, 39896975, 199484875]

約数ペア:

[(1, 199484875), (5, 39896975), (25, 7979395), (79, 2525125), (125, 1595879), (395, 505025), (1975, 101005), (9875, 20201)]