209220530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{2741}}^1$

素因数の和:3214

約数の個数: 32

約数和(自身を含む): 399783600

約数和(自身を除く): 190563070

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 449, 898, 2245, 2741, 4490, 5482, 7633, 13705, 15266, 27410, 38165, 46597, 76330, 93194, 232985, 465970, 1230709, 2461418, 6153545, 12307090, 20922053, 41844106, 104610265, 209220530]

約数ペア:

[(1, 209220530), (2, 104610265), (5, 41844106), (10, 20922053), (17, 12307090), (34, 6153545), (85, 2461418), (170, 1230709), (449, 465970), (898, 232985), (2245, 93194), (2741, 76330), (4490, 46597), (5482, 38165), (7633, 27410), (13705, 15266)]