8400200

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 19777380

約数和(自身を除く): 11377180

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 433, 485, 776, 866, 970, 1732, 1940, 2165, 2425, 3464, 3880, 4330, 4850, 8660, 9700, 10825, 17320, 19400, 21650, 42001, 43300, 84002, 86600, 168004, 210005, 336008, 420010, 840020, 1050025, 1680040, 2100050, 4200100, 8400200]

約数ペア:

[(1, 8400200), (2, 4200100), (4, 2100050), (5, 1680040), (8, 1050025), (10, 840020), (20, 420010), (25, 336008), (40, 210005), (50, 168004), (97, 86600), (100, 84002), (194, 43300), (200, 42001), (388, 21650), (433, 19400), (485, 17320), (776, 10825), (866, 9700), (970, 8660), (1732, 4850), (1940, 4330), (2165, 3880), (2425, 3464)]