30397825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 39608576

約数和(自身を除く): 9210751

約数列:

[1, 5, 25, 31, 61, 155, 305, 643, 775, 1525, 1891, 3215, 9455, 16075, 19933, 39223, 47275, 99665, 196115, 498325, 980575, 1215913, 6079565, 30397825]

約数ペア:

[(1, 30397825), (5, 6079565), (25, 1215913), (31, 980575), (61, 498325), (155, 196115), (305, 99665), (643, 47275), (775, 39223), (1525, 19933), (1891, 16075), (3215, 9455)]