667400

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 1607040

約数和(自身を除く): 939640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 71, 94, 100, 142, 188, 200, 235, 284, 355, 376, 470, 568, 710, 940, 1175, 1420, 1775, 1880, 2350, 2840, 3337, 3550, 4700, 6674, 7100, 9400, 13348, 14200, 16685, 26696, 33370, 66740, 83425, 133480, 166850, 333700, 667400]

約数ペア:

[(1, 667400), (2, 333700), (4, 166850), (5, 133480), (8, 83425), (10, 66740), (20, 33370), (25, 26696), (40, 16685), (47, 14200), (50, 13348), (71, 9400), (94, 7100), (100, 6674), (142, 4700), (188, 3550), (200, 3337), (235, 2840), (284, 2350), (355, 1880), (376, 1775), (470, 1420), (568, 1175), (710, 940)]