996400

素因数分解:

$2^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:118

約数の個数: 60

約数和(自身を含む): 2490912

約数和(自身を除く): 1494512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 53, 80, 94, 100, 106, 188, 200, 212, 235, 265, 376, 400, 424, 470, 530, 752, 848, 940, 1060, 1175, 1325, 1880, 2120, 2350, 2491, 2650, 3760, 4240, 4700, 4982, 5300, 9400, 9964, 10600, 12455, 18800, 19928, 21200, 24910, 39856, 49820, 62275, 99640, 124550, 199280, 249100, 498200, 996400]

約数ペア:

[(1, 996400), (2, 498200), (4, 249100), (5, 199280), (8, 124550), (10, 99640), (16, 62275), (20, 49820), (25, 39856), (40, 24910), (47, 21200), (50, 19928), (53, 18800), (80, 12455), (94, 10600), (100, 9964), (106, 9400), (188, 5300), (200, 4982), (212, 4700), (235, 4240), (265, 3760), (376, 2650), (400, 2491), (424, 2350), (470, 2120), (530, 1880), (752, 1325), (848, 1175), (940, 1060)]