2018981930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{2473}}^1$

素因数の和:2703

約数の個数: 64

約数和(自身を含む): 4232321280

約数和(自身を除く): 2213339350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 109, 214, 218, 535, 545, 749, 763, 1070, 1090, 1498, 1526, 2473, 3745, 3815, 4946, 7490, 7630, 11663, 12365, 17311, 23326, 24730, 34622, 58315, 81641, 86555, 116630, 163282, 173110, 264611, 269557, 408205, 529222, 539114, 816410, 1323055, 1347785, 1852277, 1886899, 2646110, 2695570, 3704554, 3773798, 9261385, 9434495, 18522770, 18868990, 28842599, 57685198, 144212995, 201898193, 288425990, 403796386, 1009490965, 2018981930]

約数ペア:

[(1, 2018981930), (2, 1009490965), (5, 403796386), (7, 288425990), (10, 201898193), (14, 144212995), (35, 57685198), (70, 28842599), (107, 18868990), (109, 18522770), (214, 9434495), (218, 9261385), (535, 3773798), (545, 3704554), (749, 2695570), (763, 2646110), (1070, 1886899), (1090, 1852277), (1498, 1347785), (1526, 1323055), (2473, 816410), (3745, 539114), (3815, 529222), (4946, 408205), (7490, 269557), (7630, 264611), (11663, 173110), (12365, 163282), (17311, 116630), (23326, 86555), (24730, 81641), (34622, 58315)]