269291260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{274787}}^1$

素因数の和:274810

約数の個数: 36

約数和(自身を含む): 657842472

約数和(自身を除く): 388551212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 274787, 549574, 1099148, 1373935, 1923509, 2747870, 3847018, 5495740, 7694036, 9617545, 13464563, 19235090, 26929126, 38470180, 53858252, 67322815, 134645630, 269291260]

約数ペア:

[(1, 269291260), (2, 134645630), (4, 67322815), (5, 53858252), (7, 38470180), (10, 26929126), (14, 19235090), (20, 13464563), (28, 9617545), (35, 7694036), (49, 5495740), (70, 3847018), (98, 2747870), (140, 1923509), (196, 1373935), (245, 1099148), (490, 549574), (980, 274787)]