211375340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{2753}}^1$

素因数の和:3122

約数の個数: 48

約数和(自身を含む): 485805600

約数和(自身を除く): 274430260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 349, 698, 1396, 1745, 2753, 3490, 3839, 5506, 6980, 7678, 11012, 13765, 15356, 19195, 27530, 30283, 38390, 55060, 60566, 76780, 121132, 151415, 302830, 605660, 960797, 1921594, 3843188, 4803985, 9607970, 10568767, 19215940, 21137534, 42275068, 52843835, 105687670, 211375340]

約数ペア:

[(1, 211375340), (2, 105687670), (4, 52843835), (5, 42275068), (10, 21137534), (11, 19215940), (20, 10568767), (22, 9607970), (44, 4803985), (55, 3843188), (110, 1921594), (220, 960797), (349, 605660), (698, 302830), (1396, 151415), (1745, 121132), (2753, 76780), (3490, 60566), (3839, 55060), (5506, 38390), (6980, 30283), (7678, 27530), (11012, 19195), (13765, 15356)]