898348025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{17351}}^1$

素因数の和:17489

約数の個数: 24

約数和(自身を含む): 1183406400

約数和(自身を除く): 285058375

約数列:

[1, 5, 19, 25, 95, 109, 475, 545, 2071, 2725, 10355, 17351, 51775, 86755, 329669, 433775, 1648345, 1891259, 8241725, 9456295, 35933921, 47281475, 179669605, 898348025]

約数ペア:

[(1, 898348025), (5, 179669605), (19, 47281475), (25, 35933921), (95, 9456295), (109, 8241725), (475, 1891259), (545, 1648345), (2071, 433775), (2725, 329669), (10355, 86755), (17351, 51775)]