2152225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 2946240

約数和(自身を除く): 794015

約数列:

[1, 5, 19, 23, 25, 95, 115, 197, 437, 475, 575, 985, 2185, 3743, 4531, 4925, 10925, 18715, 22655, 86089, 93575, 113275, 430445, 2152225]

約数ペア:

[(1, 2152225), (5, 430445), (19, 113275), (23, 93575), (25, 86089), (95, 22655), (115, 18715), (197, 10925), (437, 4925), (475, 4531), (575, 3743), (985, 2185)]