2142490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 4460544

約数和(自身を除く): 2318054

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 241, 254, 482, 635, 889, 1205, 1270, 1687, 1778, 2410, 3374, 4445, 8435, 8890, 16870, 30607, 61214, 153035, 214249, 306070, 428498, 1071245, 2142490]

約数ペア:

[(1, 2142490), (2, 1071245), (5, 428498), (7, 306070), (10, 214249), (14, 153035), (35, 61214), (70, 30607), (127, 16870), (241, 8890), (254, 8435), (482, 4445), (635, 3374), (889, 2410), (1205, 1778), (1270, 1687)]