72996275

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:500

約数の個数: 36

約数和(自身を含む): 101425800

約数和(自身を除く): 28429525

約数列:

[1, 5, 11, 25, 55, 59, 121, 275, 295, 409, 605, 649, 1475, 2045, 3025, 3245, 4499, 7139, 10225, 16225, 22495, 24131, 35695, 49489, 112475, 120655, 178475, 247445, 265441, 603275, 1237225, 1327205, 2919851, 6636025, 14599255, 72996275]

約数ペア:

[(1, 72996275), (5, 14599255), (11, 6636025), (25, 2919851), (55, 1327205), (59, 1237225), (121, 603275), (275, 265441), (295, 247445), (409, 178475), (605, 120655), (649, 112475), (1475, 49489), (2045, 35695), (3025, 24131), (3245, 22495), (4499, 16225), (7139, 10225)]