211081925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^2$

素因数の和:330

約数の個数: 36

約数和(自身を含む): 289579680

約数和(自身を除く): 78497755

約数列:

[1, 5, 19, 23, 25, 95, 115, 139, 437, 475, 575, 695, 2185, 2641, 3197, 3475, 10925, 13205, 15985, 19321, 60743, 66025, 79925, 96605, 303715, 367099, 444383, 483025, 1518575, 1835495, 2221915, 8443277, 9177475, 11109575, 42216385, 211081925]

約数ペア:

[(1, 211081925), (5, 42216385), (19, 11109575), (23, 9177475), (25, 8443277), (95, 2221915), (115, 1835495), (139, 1518575), (437, 483025), (475, 444383), (575, 367099), (695, 303715), (2185, 96605), (2641, 79925), (3197, 66025), (3475, 60743), (10925, 19321), (13205, 15985)]