2028490900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{256771}}^1$

素因数の和:256864

約数の個数: 36

約数和(自身を含む): 4457561920

約数和(自身を除く): 2429071020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 7900, 256771, 513542, 1027084, 1283855, 2567710, 5135420, 6419275, 12838550, 20284909, 25677100, 40569818, 81139636, 101424545, 202849090, 405698180, 507122725, 1014245450, 2028490900]

約数ペア:

[(1, 2028490900), (2, 1014245450), (4, 507122725), (5, 405698180), (10, 202849090), (20, 101424545), (25, 81139636), (50, 40569818), (79, 25677100), (100, 20284909), (158, 12838550), (316, 6419275), (395, 5135420), (790, 2567710), (1580, 1283855), (1975, 1027084), (3950, 513542), (7900, 256771)]