173938940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1242421}}^1$

素因数の和:1242437

約数の個数: 24

約数和(自身を含む): 417453792

約数和(自身を除く): 243514852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1242421, 2484842, 4969684, 6212105, 8696947, 12424210, 17393894, 24848420, 34787788, 43484735, 86969470, 173938940]

約数ペア:

[(1, 173938940), (2, 86969470), (4, 43484735), (5, 34787788), (7, 24848420), (10, 17393894), (14, 12424210), (20, 8696947), (28, 6212105), (35, 4969684), (70, 2484842), (140, 1242421)]