189789180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{451879}}^1$

素因数の和:451898

約数の個数: 48

約数和(自身を含む): 607326720

約数和(自身を除く): 417537540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 451879, 903758, 1355637, 1807516, 2259395, 2711274, 3163153, 4518790, 5422548, 6326306, 6778185, 9037580, 9489459, 12652612, 13556370, 15815765, 18978918, 27112740, 31631530, 37957836, 47447295, 63263060, 94894590, 189789180]

約数ペア:

[(1, 189789180), (2, 94894590), (3, 63263060), (4, 47447295), (5, 37957836), (6, 31631530), (7, 27112740), (10, 18978918), (12, 15815765), (14, 13556370), (15, 12652612), (20, 9489459), (21, 9037580), (28, 6778185), (30, 6326306), (35, 5422548), (42, 4518790), (60, 3163153), (70, 2711274), (84, 2259395), (105, 1807516), (140, 1355637), (210, 903758), (420, 451879)]