89870500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 211891680

約数和(自身を除く): 122021180

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 97, 100, 109, 125, 170, 194, 218, 250, 340, 388, 425, 436, 485, 500, 545, 850, 970, 1090, 1649, 1700, 1853, 1940, 2125, 2180, 2425, 2725, 3298, 3706, 4250, 4850, 5450, 6596, 7412, 8245, 8500, 9265, 9700, 10573, 10900, 12125, 13625, 16490, 18530, 21146, 24250, 27250, 32980, 37060, 41225, 42292, 46325, 48500, 52865, 54500, 82450, 92650, 105730, 164900, 179741, 185300, 206125, 211460, 231625, 264325, 359482, 412250, 463250, 528650, 718964, 824500, 898705, 926500, 1057300, 1321625, 1797410, 2643250, 3594820, 4493525, 5286500, 8987050, 17974100, 22467625, 44935250, 89870500]

約数ペア:

[(1, 89870500), (2, 44935250), (4, 22467625), (5, 17974100), (10, 8987050), (17, 5286500), (20, 4493525), (25, 3594820), (34, 2643250), (50, 1797410), (68, 1321625), (85, 1057300), (97, 926500), (100, 898705), (109, 824500), (125, 718964), (170, 528650), (194, 463250), (218, 412250), (250, 359482), (340, 264325), (388, 231625), (425, 211460), (436, 206125), (485, 185300), (500, 179741), (545, 164900), (850, 105730), (970, 92650), (1090, 82450), (1649, 54500), (1700, 52865), (1853, 48500), (1940, 46325), (2125, 42292), (2180, 41225), (2425, 37060), (2725, 32980), (3298, 27250), (3706, 24250), (4250, 21146), (4850, 18530), (5450, 16490), (6596, 13625), (7412, 12125), (8245, 10900), (8500, 10573), (9265, 9700)]