2021990220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{115807}}^1$

素因数の和:115919

約数の個数: 72

約数和(自身を含む): 6196654464

約数和(自身を除く): 4174664244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 4365, 5820, 8730, 17460, 115807, 231614, 347421, 463228, 579035, 694842, 1042263, 1158070, 1389684, 1737105, 2084526, 2316140, 3474210, 4169052, 5211315, 6948420, 10422630, 11233279, 20845260, 22466558, 33699837, 44933116, 56166395, 67399674, 101099511, 112332790, 134799348, 168499185, 202199022, 224665580, 336998370, 404398044, 505497555, 673996740, 1010995110, 2021990220]

約数ペア:

[(1, 2021990220), (2, 1010995110), (3, 673996740), (4, 505497555), (5, 404398044), (6, 336998370), (9, 224665580), (10, 202199022), (12, 168499185), (15, 134799348), (18, 112332790), (20, 101099511), (30, 67399674), (36, 56166395), (45, 44933116), (60, 33699837), (90, 22466558), (97, 20845260), (180, 11233279), (194, 10422630), (291, 6948420), (388, 5211315), (485, 4169052), (582, 3474210), (873, 2316140), (970, 2084526), (1164, 1737105), (1455, 1389684), (1746, 1158070), (1940, 1042263), (2910, 694842), (3492, 579035), (4365, 463228), (5820, 347421), (8730, 231614), (17460, 115807)]