505280290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{21383}}^1$

素因数の和:21546

約数の個数: 32

約数和(自身を含む): 969978240

約数和(自身を除く): 464697950

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 278, 695, 1390, 2363, 4726, 11815, 21383, 23630, 42766, 106915, 213830, 363511, 727022, 1817555, 2972237, 3635110, 5944474, 14861185, 29722370, 50528029, 101056058, 252640145, 505280290]

約数ペア:

[(1, 505280290), (2, 252640145), (5, 101056058), (10, 50528029), (17, 29722370), (34, 14861185), (85, 5944474), (139, 3635110), (170, 2972237), (278, 1817555), (695, 727022), (1390, 363511), (2363, 213830), (4726, 106915), (11815, 42766), (21383, 23630)]