201724180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{4787}}^1$

素因数の和:4853

約数の個数: 72

約数和(自身を含む): 504348768

約数和(自身を除く): 302624588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 4214, 4787, 6020, 8428, 9574, 10535, 19148, 21070, 23935, 33509, 42140, 47870, 67018, 95740, 134036, 167545, 205841, 234563, 335090, 411682, 469126, 670180, 823364, 938252, 1029205, 1172815, 1440887, 2058410, 2345630, 2881774, 4116820, 4691260, 5763548, 7204435, 10086209, 14408870, 20172418, 28817740, 40344836, 50431045, 100862090, 201724180]

約数ペア:

[(1, 201724180), (2, 100862090), (4, 50431045), (5, 40344836), (7, 28817740), (10, 20172418), (14, 14408870), (20, 10086209), (28, 7204435), (35, 5763548), (43, 4691260), (49, 4116820), (70, 2881774), (86, 2345630), (98, 2058410), (140, 1440887), (172, 1172815), (196, 1029205), (215, 938252), (245, 823364), (301, 670180), (430, 469126), (490, 411682), (602, 335090), (860, 234563), (980, 205841), (1204, 167545), (1505, 134036), (2107, 95740), (3010, 67018), (4214, 47870), (4787, 42140), (6020, 33509), (8428, 23935), (9574, 21070), (10535, 19148)]