1645784450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{19961}}^1$

素因数の和:20087

約数の個数: 48

約数和(自身を含む): 3274806024

約数和(自身を除く): 1629021574

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 97, 170, 194, 425, 485, 850, 970, 1649, 2425, 3298, 4850, 8245, 16490, 19961, 39922, 41225, 82450, 99805, 199610, 339337, 499025, 678674, 998050, 1696685, 1936217, 3393370, 3872434, 8483425, 9681085, 16966850, 19362170, 32915689, 48405425, 65831378, 96810850, 164578445, 329156890, 822892225, 1645784450]

約数ペア:

[(1, 1645784450), (2, 822892225), (5, 329156890), (10, 164578445), (17, 96810850), (25, 65831378), (34, 48405425), (50, 32915689), (85, 19362170), (97, 16966850), (170, 9681085), (194, 8483425), (425, 3872434), (485, 3393370), (850, 1936217), (970, 1696685), (1649, 998050), (2425, 678674), (3298, 499025), (4850, 339337), (8245, 199610), (16490, 99805), (19961, 82450), (39922, 41225)]