16979900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 42663936

約数和(自身を除く): 25684036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 127, 140, 175, 191, 254, 350, 382, 508, 635, 700, 764, 889, 955, 1270, 1337, 1778, 1910, 2540, 2674, 3175, 3556, 3820, 4445, 4775, 5348, 6350, 6685, 8890, 9550, 12700, 13370, 17780, 19100, 22225, 24257, 26740, 33425, 44450, 48514, 66850, 88900, 97028, 121285, 133700, 169799, 242570, 339598, 485140, 606425, 679196, 848995, 1212850, 1697990, 2425700, 3395980, 4244975, 8489950, 16979900]

約数ペア:

[(1, 16979900), (2, 8489950), (4, 4244975), (5, 3395980), (7, 2425700), (10, 1697990), (14, 1212850), (20, 848995), (25, 679196), (28, 606425), (35, 485140), (50, 339598), (70, 242570), (100, 169799), (127, 133700), (140, 121285), (175, 97028), (191, 88900), (254, 66850), (350, 48514), (382, 44450), (508, 33425), (635, 26740), (700, 24257), (764, 22225), (889, 19100), (955, 17780), (1270, 13370), (1337, 12700), (1778, 9550), (1910, 8890), (2540, 6685), (2674, 6350), (3175, 5348), (3556, 4775), (3820, 4445)]