319970716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{337}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 657842640

約数和(自身を除く): 337871924

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 337, 403, 494, 589, 674, 806, 961, 988, 1178, 1348, 1612, 1922, 2356, 3844, 4381, 6403, 7657, 8762, 10447, 12493, 12806, 15314, 17524, 18259, 20894, 24986, 25612, 30628, 36518, 41788, 49972, 73036, 83239, 135811, 166478, 198493, 237367, 271622, 323857, 332956, 396986, 474734, 543244, 647714, 793972, 949468, 1295428, 2580409, 4210141, 5160818, 6153283, 8420282, 10321636, 12306566, 16840564, 24613132, 79992679, 159985358, 319970716]

約数ペア:

[(1, 319970716), (2, 159985358), (4, 79992679), (13, 24613132), (19, 16840564), (26, 12306566), (31, 10321636), (38, 8420282), (52, 6153283), (62, 5160818), (76, 4210141), (124, 2580409), (247, 1295428), (337, 949468), (403, 793972), (494, 647714), (589, 543244), (674, 474734), (806, 396986), (961, 332956), (988, 323857), (1178, 271622), (1348, 237367), (1612, 198493), (1922, 166478), (2356, 135811), (3844, 83239), (4381, 73036), (6403, 49972), (7657, 41788), (8762, 36518), (10447, 30628), (12493, 25612), (12806, 24986), (15314, 20894), (17524, 18259)]