1715225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 2351040

約数和(自身を除く): 635815

約数列:

[1, 5, 19, 23, 25, 95, 115, 157, 437, 475, 575, 785, 2185, 2983, 3611, 3925, 10925, 14915, 18055, 68609, 74575, 90275, 343045, 1715225]

約数ペア:

[(1, 1715225), (5, 343045), (19, 90275), (23, 74575), (25, 68609), (95, 18055), (115, 14915), (157, 10925), (437, 3925), (475, 3611), (575, 2983), (785, 2185)]