890303930

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{27487}}^1$

素因数の和:27614

約数の個数: 32

約数和(自身を含む): 1662474240

約数和(自身を除く): 772170310

約数列:

[1, 2, 5, 10, 41, 79, 82, 158, 205, 395, 410, 790, 3239, 6478, 16195, 27487, 32390, 54974, 137435, 274870, 1126967, 2171473, 2253934, 4342946, 5634835, 10857365, 11269670, 21714730, 89030393, 178060786, 445151965, 890303930]

約数ペア:

[(1, 890303930), (2, 445151965), (5, 178060786), (10, 89030393), (41, 21714730), (79, 11269670), (82, 10857365), (158, 5634835), (205, 4342946), (395, 2253934), (410, 2171473), (790, 1126967), (3239, 274870), (6478, 137435), (16195, 54974), (27487, 32390)]