280990220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{48953}}^1$

素因数の和:49010

約数の個数: 48

約数和(自身を含む): 690838848

約数和(自身を除く): 409848628

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, 48953, 97906, 195812, 244765, 342671, 489530, 685342, 979060, 1370684, 1713355, 2007073, 3426710, 4014146, 6853420, 8028292, 10035365, 14049511, 20070730, 28099022, 40141460, 56198044, 70247555, 140495110, 280990220]

約数ペア:

[(1, 280990220), (2, 140495110), (4, 70247555), (5, 56198044), (7, 40141460), (10, 28099022), (14, 20070730), (20, 14049511), (28, 10035365), (35, 8028292), (41, 6853420), (70, 4014146), (82, 3426710), (140, 2007073), (164, 1713355), (205, 1370684), (287, 979060), (410, 685342), (574, 489530), (820, 342671), (1148, 244765), (1435, 195812), (2870, 97906), (5740, 48953)]