253448720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{452587}}^1$

素因数の和:452607

約数の個数: 40

約数和(自身を含む): 673450944

約数和(自身を除く): 420002224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 452587, 905174, 1810348, 2262935, 3168109, 3620696, 4525870, 6336218, 7241392, 9051740, 12672436, 15840545, 18103480, 25344872, 31681090, 36206960, 50689744, 63362180, 126724360, 253448720]

約数ペア:

[(1, 253448720), (2, 126724360), (4, 63362180), (5, 50689744), (7, 36206960), (8, 31681090), (10, 25344872), (14, 18103480), (16, 15840545), (20, 12672436), (28, 9051740), (35, 7241392), (40, 6336218), (56, 4525870), (70, 3620696), (80, 3168109), (112, 2262935), (140, 1810348), (280, 905174), (560, 452587)]