206821075

素因数分解:

$5^2\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{409}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 260809200

約数和(自身を除く): 53988125

約数列:

[1, 5, 25, 113, 179, 409, 565, 895, 2045, 2825, 4475, 10225, 20227, 46217, 73211, 101135, 231085, 366055, 505675, 1155425, 1830275, 8272843, 41364215, 206821075]

約数ペア:

[(1, 206821075), (5, 41364215), (25, 8272843), (113, 1830275), (179, 1155425), (409, 505675), (565, 366055), (895, 231085), (2045, 101135), (2825, 73211), (4475, 46217), (10225, 20227)]