339421780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{8807}}^1$

素因数の和:8904

約数の個数: 48

約数和(自身を含む): 745790976

約数和(自身を除く): 406369196

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1927, 3854, 7708, 8807, 9635, 17614, 19270, 35228, 38540, 44035, 88070, 176140, 361087, 413929, 722174, 827858, 1444348, 1655716, 1805435, 2069645, 3610870, 4139290, 7221740, 8278580, 16971089, 33942178, 67884356, 84855445, 169710890, 339421780]

約数ペア:

[(1, 339421780), (2, 169710890), (4, 84855445), (5, 67884356), (10, 33942178), (20, 16971089), (41, 8278580), (47, 7221740), (82, 4139290), (94, 3610870), (164, 2069645), (188, 1805435), (205, 1655716), (235, 1444348), (410, 827858), (470, 722174), (820, 413929), (940, 361087), (1927, 176140), (3854, 88070), (7708, 44035), (8807, 38540), (9635, 35228), (17614, 19270)]