12987100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{18553}}^1$

素因数の和:18574

約数の個数: 36

約数和(自身を含む): 32209744

約数和(自身を除く): 19222644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 18553, 37106, 74212, 92765, 129871, 185530, 259742, 371060, 463825, 519484, 649355, 927650, 1298710, 1855300, 2597420, 3246775, 6493550, 12987100]

約数ペア:

[(1, 12987100), (2, 6493550), (4, 3246775), (5, 2597420), (7, 1855300), (10, 1298710), (14, 927650), (20, 649355), (25, 519484), (28, 463825), (35, 371060), (50, 259742), (70, 185530), (100, 129871), (140, 92765), (175, 74212), (350, 37106), (700, 18553)]