139780315

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1323

約数の個数: 24

約数和(自身を含む): 179570160

約数和(自身を除く): 39789845

約数列:

[1, 5, 23, 43, 115, 215, 529, 989, 1229, 2645, 4945, 6145, 22747, 28267, 52847, 113735, 141335, 264235, 650141, 1215481, 3250705, 6077405, 27956063, 139780315]

約数ペア:

[(1, 139780315), (5, 27956063), (23, 6077405), (43, 3250705), (115, 1215481), (215, 650141), (529, 264235), (989, 141335), (1229, 113735), (2645, 52847), (4945, 28267), (6145, 22747)]