51378950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:406

約数の個数: 72

約数和(自身を含む): 113186952

約数和(自身を除く): 61808002

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 67, 70, 98, 134, 175, 245, 313, 335, 350, 469, 490, 626, 670, 938, 1225, 1565, 1675, 2191, 2345, 2450, 3130, 3283, 3350, 4382, 4690, 6566, 7825, 10955, 11725, 15337, 15650, 16415, 20971, 21910, 23450, 30674, 32830, 41942, 54775, 76685, 82075, 104855, 109550, 146797, 153370, 164150, 209710, 293594, 383425, 524275, 733985, 766850, 1027579, 1048550, 1467970, 2055158, 3669925, 5137895, 7339850, 10275790, 25689475, 51378950]

約数ペア:

[(1, 51378950), (2, 25689475), (5, 10275790), (7, 7339850), (10, 5137895), (14, 3669925), (25, 2055158), (35, 1467970), (49, 1048550), (50, 1027579), (67, 766850), (70, 733985), (98, 524275), (134, 383425), (175, 293594), (245, 209710), (313, 164150), (335, 153370), (350, 146797), (469, 109550), (490, 104855), (626, 82075), (670, 76685), (938, 54775), (1225, 41942), (1565, 32830), (1675, 30674), (2191, 23450), (2345, 21910), (2450, 20971), (3130, 16415), (3283, 15650), (3350, 15337), (4382, 11725), (4690, 10955), (6566, 7825)]