253782140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{269981}}^1$

素因数の和:270037

約数の個数: 24

約数和(自身を含む): 544283712

約数和(自身を除く): 290501572

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 269981, 539962, 1079924, 1349905, 2699810, 5399620, 12689107, 25378214, 50756428, 63445535, 126891070, 253782140]

約数ペア:

[(1, 253782140), (2, 126891070), (4, 63445535), (5, 50756428), (10, 25378214), (20, 12689107), (47, 5399620), (94, 2699810), (188, 1349905), (235, 1079924), (470, 539962), (940, 269981)]