820161410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{541}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 1592179200

約数和(自身を除く): 772017790

約数列:

[1, 2, 5, 10, 19, 38, 79, 95, 101, 158, 190, 202, 395, 505, 541, 790, 1010, 1082, 1501, 1919, 2705, 3002, 3838, 5410, 7505, 7979, 9595, 10279, 15010, 15958, 19190, 20558, 39895, 42739, 51395, 54641, 79790, 85478, 102790, 109282, 151601, 213695, 273205, 303202, 427390, 546410, 758005, 812041, 1038179, 1516010, 1624082, 2076358, 4060205, 4316639, 5190895, 8120410, 8633278, 10381790, 21583195, 43166390, 82016141, 164032282, 410080705, 820161410]

約数ペア:

[(1, 820161410), (2, 410080705), (5, 164032282), (10, 82016141), (19, 43166390), (38, 21583195), (79, 10381790), (95, 8633278), (101, 8120410), (158, 5190895), (190, 4316639), (202, 4060205), (395, 2076358), (505, 1624082), (541, 1516010), (790, 1038179), (1010, 812041), (1082, 758005), (1501, 546410), (1919, 427390), (2705, 303202), (3002, 273205), (3838, 213695), (5410, 151601), (7505, 109282), (7979, 102790), (9595, 85478), (10279, 79790), (15010, 54641), (15958, 51395), (19190, 42739), (20558, 39895)]