249401305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 352719360

約数和(自身を除く): 103318055

約数列:

[1, 5, 17, 23, 29, 53, 83, 85, 115, 145, 265, 391, 415, 493, 667, 901, 1219, 1411, 1537, 1909, 1955, 2407, 2465, 3335, 4399, 4505, 6095, 7055, 7685, 9545, 11339, 12035, 20723, 21995, 26129, 32453, 35351, 40919, 55361, 56695, 74783, 101177, 103615, 127571, 130645, 162265, 176755, 204595, 276805, 373915, 505885, 600967, 637855, 941137, 1720009, 2168707, 2934133, 3004835, 4705685, 8600045, 10843535, 14670665, 49880261, 249401305]

約数ペア:

[(1, 249401305), (5, 49880261), (17, 14670665), (23, 10843535), (29, 8600045), (53, 4705685), (83, 3004835), (85, 2934133), (115, 2168707), (145, 1720009), (265, 941137), (391, 637855), (415, 600967), (493, 505885), (667, 373915), (901, 276805), (1219, 204595), (1411, 176755), (1537, 162265), (1909, 130645), (1955, 127571), (2407, 103615), (2465, 101177), (3335, 74783), (4399, 56695), (4505, 55361), (6095, 40919), (7055, 35351), (7685, 32453), (9545, 26129), (11339, 21995), (12035, 20723)]