209778016

素因数分解:

$2^5\times 7^2\times {\mathrm{353}}^1\times {\mathrm{379}}^1$

素因数の和:756

約数の個数: 72

約数和(自身を含む): 483061320

約数和(自身を除く): 273283304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 353, 379, 392, 706, 758, 784, 1412, 1516, 1568, 2471, 2653, 2824, 3032, 4942, 5306, 5648, 6064, 9884, 10612, 11296, 12128, 17297, 18571, 19768, 21224, 34594, 37142, 39536, 42448, 69188, 74284, 79072, 84896, 133787, 138376, 148568, 267574, 276752, 297136, 535148, 553504, 594272, 936509, 1070296, 1873018, 2140592, 3746036, 4281184, 6555563, 7492072, 13111126, 14984144, 26222252, 29968288, 52444504, 104889008, 209778016]

約数ペア:

[(1, 209778016), (2, 104889008), (4, 52444504), (7, 29968288), (8, 26222252), (14, 14984144), (16, 13111126), (28, 7492072), (32, 6555563), (49, 4281184), (56, 3746036), (98, 2140592), (112, 1873018), (196, 1070296), (224, 936509), (353, 594272), (379, 553504), (392, 535148), (706, 297136), (758, 276752), (784, 267574), (1412, 148568), (1516, 138376), (1568, 133787), (2471, 84896), (2653, 79072), (2824, 74284), (3032, 69188), (4942, 42448), (5306, 39536), (5648, 37142), (6064, 34594), (9884, 21224), (10612, 19768), (11296, 18571), (12128, 17297)]