85525580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 210461328

約数和(自身を除く): 124935748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 197, 245, 394, 443, 490, 788, 886, 980, 985, 1379, 1772, 1970, 2215, 2758, 3101, 3940, 4430, 5516, 6202, 6895, 8860, 9653, 12404, 13790, 15505, 19306, 21707, 27580, 31010, 38612, 43414, 48265, 62020, 86828, 87271, 96530, 108535, 174542, 193060, 217070, 349084, 434140, 436355, 610897, 872710, 1221794, 1745420, 2443588, 3054485, 4276279, 6108970, 8552558, 12217940, 17105116, 21381395, 42762790, 85525580]

約数ペア:

[(1, 85525580), (2, 42762790), (4, 21381395), (5, 17105116), (7, 12217940), (10, 8552558), (14, 6108970), (20, 4276279), (28, 3054485), (35, 2443588), (49, 1745420), (70, 1221794), (98, 872710), (140, 610897), (196, 436355), (197, 434140), (245, 349084), (394, 217070), (443, 193060), (490, 174542), (788, 108535), (886, 96530), (980, 87271), (985, 86828), (1379, 62020), (1772, 48265), (1970, 43414), (2215, 38612), (2758, 31010), (3101, 27580), (3940, 21707), (4430, 19306), (5516, 15505), (6202, 13790), (6895, 12404), (8860, 9653)]