738892780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1\times {\mathrm{1789}}^1$

素因数の和:2098

約数の個数: 48

約数和(自身を含む): 1575171360

約数和(自身を除く): 836278580

約数列:

[1, 2, 4, 5, 10, 20, 107, 193, 214, 386, 428, 535, 772, 965, 1070, 1789, 1930, 2140, 3578, 3860, 7156, 8945, 17890, 20651, 35780, 41302, 82604, 103255, 191423, 206510, 345277, 382846, 413020, 690554, 765692, 957115, 1381108, 1726385, 1914230, 3452770, 3828460, 6905540, 36944639, 73889278, 147778556, 184723195, 369446390, 738892780]

約数ペア:

[(1, 738892780), (2, 369446390), (4, 184723195), (5, 147778556), (10, 73889278), (20, 36944639), (107, 6905540), (193, 3828460), (214, 3452770), (386, 1914230), (428, 1726385), (535, 1381108), (772, 957115), (965, 765692), (1070, 690554), (1789, 413020), (1930, 382846), (2140, 345277), (3578, 206510), (3860, 191423), (7156, 103255), (8945, 82604), (17890, 41302), (20651, 35780)]