210378575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{17791}}^1$

素因数の和:17855

約数の個数: 24

約数和(自身を含む): 291219456

約数和(自身を除く): 80840881

約数列:

[1, 5, 11, 25, 43, 55, 215, 275, 473, 1075, 2365, 11825, 17791, 88955, 195701, 444775, 765013, 978505, 3825065, 4892525, 8415143, 19125325, 42075715, 210378575]

約数ペア:

[(1, 210378575), (5, 42075715), (11, 19125325), (25, 8415143), (43, 4892525), (55, 3825065), (215, 978505), (275, 765013), (473, 444775), (1075, 195701), (2365, 88955), (11825, 17791)]