210391775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:632

約数の個数: 36

約数和(自身を含む): 289236696

約数和(自身を除く): 78844921

約数列:

[1, 5, 11, 25, 55, 121, 157, 275, 443, 605, 785, 1727, 2215, 3025, 3925, 4873, 8635, 11075, 18997, 24365, 43175, 53603, 69551, 94985, 121825, 268015, 347755, 474925, 765061, 1340075, 1738775, 3825305, 8415671, 19126525, 42078355, 210391775]

約数ペア:

[(1, 210391775), (5, 42078355), (11, 19126525), (25, 8415671), (55, 3825305), (121, 1738775), (157, 1340075), (275, 765061), (443, 474925), (605, 347755), (785, 268015), (1727, 121825), (2215, 94985), (3025, 69551), (3925, 53603), (4873, 43175), (8635, 24365), (11075, 18997)]