199900188

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 515970000

約数和(自身を除く): 316069812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 149, 166, 249, 298, 332, 447, 449, 498, 596, 747, 894, 898, 996, 1341, 1347, 1494, 1788, 1796, 2682, 2694, 2988, 4041, 5364, 5388, 8082, 12367, 16164, 24734, 37101, 37267, 49468, 66901, 74202, 74534, 111303, 111801, 133802, 148404, 149068, 200703, 222606, 223602, 267604, 335403, 401406, 445212, 447204, 602109, 670806, 802812, 1204218, 1341612, 2408436, 5552783, 11105566, 16658349, 22211132, 33316698, 49975047, 66633396, 99950094, 199900188]

約数ペア:

[(1, 199900188), (2, 99950094), (3, 66633396), (4, 49975047), (6, 33316698), (9, 22211132), (12, 16658349), (18, 11105566), (36, 5552783), (83, 2408436), (149, 1341612), (166, 1204218), (249, 802812), (298, 670806), (332, 602109), (447, 447204), (449, 445212), (498, 401406), (596, 335403), (747, 267604), (894, 223602), (898, 222606), (996, 200703), (1341, 149068), (1347, 148404), (1494, 133802), (1788, 111801), (1796, 111303), (2682, 74534), (2694, 74202), (2988, 66901), (4041, 49468), (5364, 37267), (5388, 37101), (8082, 24734), (12367, 16164)]