9991149.00000000

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{72551}}^1$

素因数の和:72570

約数の個数: 48

約数和(自身を含む): 97509888

約数和(自身を除く): 67038468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 72551, 145102, 217653, 290204, 362755, 435306, 507857, 725510, 870612, 1015714, 1088265, 1451020, 1523571, 2031428, 2176530, 2539285, 3047142, 4353060, 5078570, 6094284, 7617855, 10157140, 15235710, 30471420]

約数ペア:

[(1, 30471420), (2, 15235710), (3, 10157140), (4, 7617855), (5, 6094284), (6, 5078570), (7, 4353060), (10, 3047142), (12, 2539285), (14, 2176530), (15, 2031428), (20, 1523571), (21, 1451020), (28, 1088265), (30, 1015714), (35, 870612), (42, 725510), (60, 507857), (70, 435306), (84, 362755), (105, 290204), (140, 217653), (210, 145102), (420, 72551)]