210925525

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:486

約数の個数: 36

約数和(自身を含む): 280802340

約数和(自身を除く): 69876815

約数列:

[1, 5, 23, 25, 41, 115, 205, 389, 529, 575, 943, 1025, 1945, 2645, 4715, 8947, 9725, 13225, 15949, 21689, 23575, 44735, 79745, 108445, 205781, 223675, 366827, 398725, 542225, 1028905, 1834135, 5144525, 8437021, 9170675, 42185105, 210925525]

約数ペア:

[(1, 210925525), (5, 42185105), (23, 9170675), (25, 8437021), (41, 5144525), (115, 1834135), (205, 1028905), (389, 542225), (529, 398725), (575, 366827), (943, 223675), (1025, 205781), (1945, 108445), (2645, 79745), (4715, 44735), (8947, 23575), (9725, 21689), (13225, 15949)]