1097204840

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{197339}}^1$

素因数の和:197489

約数の個数: 32

約数和(自身を含む): 2486484000

約数和(自身を除く): 1389279160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 197339, 394678, 789356, 986695, 1578712, 1973390, 3946780, 7893560, 27430121, 54860242, 109720484, 137150605, 219440968, 274301210, 548602420, 1097204840]

約数ペア:

[(1, 1097204840), (2, 548602420), (4, 274301210), (5, 219440968), (8, 137150605), (10, 109720484), (20, 54860242), (40, 27430121), (139, 7893560), (278, 3946780), (556, 1973390), (695, 1578712), (1112, 986695), (1390, 789356), (2780, 394678), (5560, 197339)]