89779340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15641}}^1$

素因数の和:15698

約数の個数: 48

約数和(自身を含む): 220739904

約数和(自身を除く): 130960564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 15641, 31282, 62564, 78205, 109487, 156410, 218974, 312820, 437948, 547435, 641281, 1094870, 1282562, 2189740, 2565124, 3206405, 4488967, 6412810, 8977934, 12825620, 17955868, 22444835, 44889670, 89779340]

約数ペア:

[(1, 89779340), (2, 44889670), (4, 22444835), (5, 17955868), (7, 12825620), (10, 8977934), (14, 6412810), (20, 4488967), (28, 3206405), (35, 2565124), (41, 2189740), (70, 1282562), (82, 1094870), (140, 641281), (164, 547435), (205, 437948), (287, 312820), (410, 218974), (574, 156410), (820, 109487), (1148, 78205), (1435, 62564), (2870, 31282), (5740, 15641)]