1999366930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1\times {\mathrm{613}}^1$

素因数の和:979

約数の個数: 64

約数和(自身を含む): 3978720000

約数和(自身を除く): 1979353070

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 149, 199, 298, 398, 613, 745, 995, 1226, 1490, 1639, 1990, 2189, 3065, 3278, 4378, 6130, 6743, 8195, 10945, 13486, 16390, 21890, 29651, 33715, 59302, 67430, 91337, 121987, 148255, 182674, 243974, 296510, 326161, 456685, 609935, 652322, 913370, 1004707, 1219870, 1341857, 1630805, 2009414, 2683714, 3261610, 5023535, 6709285, 10047070, 13418570, 18176063, 36352126, 90880315, 181760630, 199936693, 399873386, 999683465, 1999366930]

約数ペア:

[(1, 1999366930), (2, 999683465), (5, 399873386), (10, 199936693), (11, 181760630), (22, 90880315), (55, 36352126), (110, 18176063), (149, 13418570), (199, 10047070), (298, 6709285), (398, 5023535), (613, 3261610), (745, 2683714), (995, 2009414), (1226, 1630805), (1490, 1341857), (1639, 1219870), (1990, 1004707), (2189, 913370), (3065, 652322), (3278, 609935), (4378, 456685), (6130, 326161), (6743, 296510), (8195, 243974), (10945, 182674), (13486, 148255), (16390, 121987), (21890, 91337), (29651, 67430), (33715, 59302)]