208055300

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 463173480

約数和(自身を除く): 255118180

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 97, 100, 178, 194, 241, 356, 388, 445, 482, 485, 890, 964, 970, 1205, 1780, 1940, 2225, 2410, 2425, 4450, 4820, 4850, 6025, 8633, 8900, 9700, 12050, 17266, 21449, 23377, 24100, 34532, 42898, 43165, 46754, 85796, 86330, 93508, 107245, 116885, 172660, 214490, 215825, 233770, 428980, 431650, 467540, 536225, 584425, 863300, 1072450, 1168850, 2080553, 2144900, 2337700, 4161106, 8322212, 10402765, 20805530, 41611060, 52013825, 104027650, 208055300]

約数ペア:

[(1, 208055300), (2, 104027650), (4, 52013825), (5, 41611060), (10, 20805530), (20, 10402765), (25, 8322212), (50, 4161106), (89, 2337700), (97, 2144900), (100, 2080553), (178, 1168850), (194, 1072450), (241, 863300), (356, 584425), (388, 536225), (445, 467540), (482, 431650), (485, 428980), (890, 233770), (964, 215825), (970, 214490), (1205, 172660), (1780, 116885), (1940, 107245), (2225, 93508), (2410, 86330), (2425, 85796), (4450, 46754), (4820, 43165), (4850, 42898), (6025, 34532), (8633, 24100), (8900, 23377), (9700, 21449), (12050, 17266)]