328702960

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{87421}}^1$

素因数の和:87481

約数の個数: 40

約数和(自身を含む): 780503616

約数和(自身を除く): 451800656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 87421, 174842, 349684, 437105, 699368, 874210, 1398736, 1748420, 3496840, 4108787, 6993680, 8217574, 16435148, 20543935, 32870296, 41087870, 65740592, 82175740, 164351480, 328702960]

約数ペア:

[(1, 328702960), (2, 164351480), (4, 82175740), (5, 65740592), (8, 41087870), (10, 32870296), (16, 20543935), (20, 16435148), (40, 8217574), (47, 6993680), (80, 4108787), (94, 3496840), (188, 1748420), (235, 1398736), (376, 874210), (470, 699368), (752, 437105), (940, 349684), (1880, 174842), (3760, 87421)]