319534856

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3989}}^1$

素因数の和:4062

約数の個数: 64

約数和(自身を含む): 689472000

約数和(自身を除く): 369937144

約数列:

[1, 2, 4, 8, 17, 19, 31, 34, 38, 62, 68, 76, 124, 136, 152, 248, 323, 527, 589, 646, 1054, 1178, 1292, 2108, 2356, 2584, 3989, 4216, 4712, 7978, 10013, 15956, 20026, 31912, 40052, 67813, 75791, 80104, 123659, 135626, 151582, 247318, 271252, 303164, 494636, 542504, 606328, 989272, 1288447, 2102203, 2349521, 2576894, 4204406, 4699042, 5153788, 8408812, 9398084, 10307576, 16817624, 18796168, 39941857, 79883714, 159767428, 319534856]

約数ペア:

[(1, 319534856), (2, 159767428), (4, 79883714), (8, 39941857), (17, 18796168), (19, 16817624), (31, 10307576), (34, 9398084), (38, 8408812), (62, 5153788), (68, 4699042), (76, 4204406), (124, 2576894), (136, 2349521), (152, 2102203), (248, 1288447), (323, 989272), (527, 606328), (589, 542504), (646, 494636), (1054, 303164), (1178, 271252), (1292, 247318), (2108, 151582), (2356, 135626), (2584, 123659), (3989, 80104), (4216, 75791), (4712, 67813), (7978, 40052), (10013, 31912), (15956, 20026)]