898705000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 160

約数和(自身を含む): 2273178600

約数和(自身を除く): 1374473600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 97, 100, 109, 125, 136, 170, 194, 200, 218, 250, 340, 388, 425, 436, 485, 500, 545, 625, 680, 776, 850, 872, 970, 1000, 1090, 1250, 1649, 1700, 1853, 1940, 2125, 2180, 2425, 2500, 2725, 3298, 3400, 3706, 3880, 4250, 4360, 4850, 5000, 5450, 6596, 7412, 8245, 8500, 9265, 9700, 10573, 10625, 10900, 12125, 13192, 13625, 14824, 16490, 17000, 18530, 19400, 21146, 21250, 21800, 24250, 27250, 32980, 37060, 41225, 42292, 42500, 46325, 48500, 52865, 54500, 60625, 65960, 68125, 74120, 82450, 84584, 85000, 92650, 97000, 105730, 109000, 121250, 136250, 164900, 179741, 185300, 206125, 211460, 231625, 242500, 264325, 272500, 329800, 359482, 370600, 412250, 422920, 463250, 485000, 528650, 545000, 718964, 824500, 898705, 926500, 1030625, 1057300, 1158125, 1321625, 1437928, 1649000, 1797410, 1853000, 2061250, 2114600, 2316250, 2643250, 3594820, 4122500, 4493525, 4632500, 5286500, 6608125, 7189640, 8245000, 8987050, 9265000, 10573000, 13216250, 17974100, 22467625, 26432500, 35948200, 44935250, 52865000, 89870500, 112338125, 179741000, 224676250, 449352500, 898705000]

約数ペア:

[(1, 898705000), (2, 449352500), (4, 224676250), (5, 179741000), (8, 112338125), (10, 89870500), (17, 52865000), (20, 44935250), (25, 35948200), (34, 26432500), (40, 22467625), (50, 17974100), (68, 13216250), (85, 10573000), (97, 9265000), (100, 8987050), (109, 8245000), (125, 7189640), (136, 6608125), (170, 5286500), (194, 4632500), (200, 4493525), (218, 4122500), (250, 3594820), (340, 2643250), (388, 2316250), (425, 2114600), (436, 2061250), (485, 1853000), (500, 1797410), (545, 1649000), (625, 1437928), (680, 1321625), (776, 1158125), (850, 1057300), (872, 1030625), (970, 926500), (1000, 898705), (1090, 824500), (1250, 718964), (1649, 545000), (1700, 528650), (1853, 485000), (1940, 463250), (2125, 422920), (2180, 412250), (2425, 370600), (2500, 359482), (2725, 329800), (3298, 272500), (3400, 264325), (3706, 242500), (3880, 231625), (4250, 211460), (4360, 206125), (4850, 185300), (5000, 179741), (5450, 164900), (6596, 136250), (7412, 121250), (8245, 109000), (8500, 105730), (9265, 97000), (9700, 92650), (10573, 85000), (10625, 84584), (10900, 82450), (12125, 74120), (13192, 68125), (13625, 65960), (14824, 60625), (16490, 54500), (17000, 52865), (18530, 48500), (19400, 46325), (21146, 42500), (21250, 42292), (21800, 41225), (24250, 37060), (27250, 32980)]